1349290680 has 64 divisors (see below), whose sum is σ = 4285988640. Its totient is φ = 338644992.

The previous prime is 1349290673. The next prime is 1349290687. The reversal of 1349290680 is 860929431.

It is an interprime number because it is at equal distance from previous prime (1349290673) and next prime (1349290687).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349290687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328669 + ... + 332748.

Almost surely, 2^1349290680 is an apocalyptic number.

1349290680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1349290680 is an abundant number, since it is smaller than the sum of its proper divisors (2936697960).

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

1349290680 is a wasteful number, since it uses less digits than its factorization.

1349290680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661448 (or 661444 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1349290680 is about 36732.6922509091. The cubic root of 1349290680 is about 1105.0158484790.

The spelling of 1349290680 in words is "one billion, three hundred forty-nine million, two hundred ninety thousand, six hundred eighty".