957474139 has 4 divisors (see below), whose sum is σ = 969010056. Its totient is φ = 945938224.

The previous prime is 957474137. The next prime is 957474151. The reversal of 957474139 is 931474759.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 957474139 - 2¹ = 957474137 is a prime.

It is a super-3 number, since 3×957474139³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 957474092 and 957474101.

It is not an unprimeable number, because it can be changed into a prime (957474137) 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, 5767834 + ... + 5767999.

It is an arithmetic number, because the mean of its divisors is an integer number (242252514).

Almost surely, 2^957474139 is an apocalyptic number.

957474139 is a deficient number, since it is larger than the sum of its proper divisors (11535917).

957474139 is a wasteful number, since it uses less digits than its factorization.

957474139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11535916.

The product of its digits is 952560, while the sum is 49.

The square root of 957474139 is about 30943.0790161548. The cubic root of 957474139 is about 985.6188880352.

The spelling of 957474139 in words is "nine hundred fifty-seven million, four hundred seventy-four thousand, one hundred thirty-nine".