1349382690 has 96 divisors (see below), whose sum is σ = 3634315776. Its totient is φ = 347141760.

The previous prime is 1349382689. The next prime is 1349382691. The reversal of 1349382690 is 962839431.

It is a happy number.

1349382690 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1349382689) and next prime (1349382691).

It is a super-2 number, since 2×1349382690² = 3641667288143272200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1349382691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 298084 + ... + 302576.

It is an arithmetic number, because the mean of its divisors is an integer number (37857456).

Almost surely, 2^1349382690 is an apocalyptic number.

1349382690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1349382690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1817157888).

1349382690 is an abundant number, since it is smaller than the sum of its proper divisors (2284933086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1349382690 is a wasteful number, since it uses less digits than its factorization.

1349382690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624 (or 4621 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 1349382690 is about 36733.9446561351. The cubic root of 1349382690 is about 1105.0409654284.

The spelling of 1349382690 in words is "one billion, three hundred forty-nine million, three hundred eighty-two thousand, six hundred ninety".