1357990680 has 64 divisors (see below), whose sum is σ = 4106096640. Its totient is φ = 359275392.

The previous prime is 1357990657. The next prime is 1357990729. The reversal of 1357990680 is 860997531.

It is a congruent number.

It is an unprimeable number.

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, 29314 + ... + 59793.

It is an arithmetic number, because the mean of its divisors is an integer number (64157760).

Almost surely, 2^1357990680 is an apocalyptic number.

1357990680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1357990680 is an abundant number, since it is smaller than the sum of its proper divisors (2748105960).

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

1357990680 is a wasteful number, since it uses less digits than its factorization.

1357990680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89248 (or 89244 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 1357990680 is about 36850.9250901521. The cubic root of 1357990680 is about 1107.3857478016.

The spelling of 1357990680 in words is "one billion, three hundred fifty-seven million, nine hundred ninety thousand, six hundred eighty".