346396139 has 8 divisors (see below), whose sum is σ = 363632640. Its totient is φ = 329538600.

The previous prime is 346396133. The next prime is 346396153. The reversal of 346396139 is 931693643.

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

It is a de Polignac number, because none of the positive numbers 2^k-346396139 is a prime.

It is a super-2 number, since 2×346396139² = 239980570228214642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 346396139.

It is not an unprimeable number, because it can be changed into a prime (346396133) 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, 92867 + ... + 96524.

It is an arithmetic number, because the mean of its divisors is an integer number (45454080).

Almost surely, 2^346396139 is an apocalyptic number.

346396139 is a deficient number, since it is larger than the sum of its proper divisors (17236501).

346396139 is a wasteful number, since it uses less digits than its factorization.

346396139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189481.

The product of its digits is 314928, while the sum is 44.

The square root of 346396139 is about 18611.7204739379. The cubic root of 346396139 is about 702.3027153362.

The spelling of 346396139 in words is "three hundred forty-six million, three hundred ninety-six thousand, one hundred thirty-nine".