352973139 has 8 divisors (see below), whose sum is σ = 471576000. Its totient is φ = 234842856.

The previous prime is 352973129. The next prime is 352973147. The reversal of 352973139 is 931379253.

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

It is not a de Polignac number, because 352973139 - 2⁷ = 352973011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 352973139.

It is not an unprimeable number, because it can be changed into a prime (352973129) 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, 116397 + ... + 119390.

It is an arithmetic number, because the mean of its divisors is an integer number (58947000).

Almost surely, 2^352973139 is an apocalyptic number.

352973139 is a deficient number, since it is larger than the sum of its proper divisors (118602861).

352973139 is a wasteful number, since it uses less digits than its factorization.

352973139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236289.

The product of its digits is 153090, while the sum is 42.

The square root of 352973139 is about 18787.5793810698. The cubic root of 352973139 is about 706.7197349737.

The spelling of 352973139 in words is "three hundred fifty-two million, nine hundred seventy-three thousand, one hundred thirty-nine".