357117149 has 4 divisors (see below), whose sum is σ = 362147040. Its totient is φ = 352087260.

The previous prime is 357117143. The next prime is 357117157. The reversal of 357117149 is 941711753.

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 not a de Polignac number, because 357117149 - 2²⁴ = 340339933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (357117143) 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, 2514839 + ... + 2514980.

It is an arithmetic number, because the mean of its divisors is an integer number (90536760).

Almost surely, 2^357117149 is an apocalyptic number.

It is an amenable number.

357117149 is a deficient number, since it is larger than the sum of its proper divisors (5029891).

357117149 is an equidigital number, since it uses as much as digits as its factorization.

357117149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5029890.

The product of its digits is 26460, while the sum is 38.

The square root of 357117149 is about 18897.5434646940. The cubic root of 357117149 is about 709.4746818435.

The spelling of 357117149 in words is "three hundred fifty-seven million, one hundred seventeen thousand, one hundred forty-nine".