1349357420 has 12 divisors (see below), whose sum is σ = 2833650624. Its totient is φ = 539742960.

The previous prime is 1349357413. The next prime is 1349357423. The reversal of 1349357420 is 247539431.

It is not an unprimeable number, because it can be changed into a prime (1349357423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33733916 + ... + 33733955.

It is an arithmetic number, because the mean of its divisors is an integer number (236137552).

Almost surely, 2^1349357420 is an apocalyptic number.

1349357420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1349357420 is an abundant number, since it is smaller than the sum of its proper divisors (1484293204).

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

1349357420 is a wasteful number, since it uses less digits than its factorization.

1349357420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67467880 (or 67467878 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 1349357420 is about 36733.6006947318. The cubic root of 1349357420 is about 1105.0340673212.

The spelling of 1349357420 in words is "one billion, three hundred forty-nine million, three hundred fifty-seven thousand, four hundred twenty".