1357814557 has 4 divisors (see below), whose sum is σ = 1481252256. Its totient is φ = 1234376860.

The previous prime is 1357814533. The next prime is 1357814573. The reversal of 1357814557 is 7554187531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1357814557 is a prime.

It is a super-2 number, since 2×1357814557² = 3687320742402212498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357818557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61718833 + ... + 61718854.

It is an arithmetic number, because the mean of its divisors is an integer number (370313064).

Almost surely, 2^1357814557 is an apocalyptic number.

It is an amenable number.

1357814557 is a deficient number, since it is larger than the sum of its proper divisors (123437699).

1357814557 is a wasteful number, since it uses less digits than its factorization.

1357814557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123437698.

The product of its digits is 588000, while the sum is 46.

The square root of 1357814557 is about 36848.5353440269. The cubic root of 1357814557 is about 1107.3378720356.

The spelling of 1357814557 in words is "one billion, three hundred fifty-seven million, eight hundred fourteen thousand, five hundred fifty-seven".