1357160909 has 8 divisors (see below), whose sum is σ = 1470869400. Its totient is φ = 1244782656.

The previous prime is 1357160897. The next prime is 1357160921. The reversal of 1357160909 is 9090617531.

It is an interprime number because it is at equal distance from previous prime (1357160897) and next prime (1357160921).

It can be written as a sum of positive squares in 4 ways, for example, as 81956809 + 1275204100 = 9053^2 + 35710^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1357160909 - 2²⁰ = 1356112333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357160939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330434 + ... + 334515.

It is an arithmetic number, because the mean of its divisors is an integer number (183858675).

Almost surely, 2^1357160909 is an apocalyptic number.

It is an amenable number.

1357160909 is a deficient number, since it is larger than the sum of its proper divisors (113708491).

1357160909 is a wasteful number, since it uses less digits than its factorization.

1357160909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665119.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 1357160909 is about 36839.6648871838. The cubic root of 1357160909 is about 1107.1601537654.

The spelling of 1357160909 in words is "one billion, three hundred fifty-seven million, one hundred sixty thousand, nine hundred nine".