1357436685 has 48 divisors (see below), whose sum is σ = 2442952512. Its totient is φ = 642808320.

The previous prime is 1357436681. The next prime is 1357436687. The reversal of 1357436685 is 5866347531.

It is not a de Polignac number, because 1357436685 - 2² = 1357436681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357436681) 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, 69349 + ... + 86741.

It is an arithmetic number, because the mean of its divisors is an integer number (50894844).

Almost surely, 2^1357436685 is an apocalyptic number.

1357436685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1357436685 is a deficient number, since it is larger than the sum of its proper divisors (1085515827).

1357436685 is a wasteful number, since it uses less digits than its factorization.

1357436685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17466 (or 17455 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The square root of 1357436685 is about 36843.4076192743. The cubic root of 1357436685 is about 1107.2351405798.

The spelling of 1357436685 in words is "one billion, three hundred fifty-seven million, four hundred thirty-six thousand, six hundred eighty-five".