356139 has 12 divisors (see below), whose sum is σ = 588016. Its totient is φ = 203472.

The previous prime is 356137. The next prime is 356141. The reversal of 356139 is 931653.

It is an interprime number because it is at equal distance from previous prime (356137) and next prime (356141).

It is not a de Polignac number, because 356139 - 2¹ = 356137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (356137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2764 + ... + 2889.

2³⁵⁶¹³⁹ is an apocalyptic number.

356139 is a deficient number, since it is larger than the sum of its proper divisors (231877).

356139 is a wasteful number, since it uses less digits than its factorization.

356139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666 (or 5663 counting only the distinct ones).

The product of its digits is 2430, while the sum is 27.

The square root of 356139 is about 596.7738265038. The cubic root of 356139 is about 70.8826335759.

It can be divided in two parts, 3561 and 39, that added together give a square (3600 = 60²).

The spelling of 356139 in words is "three hundred fifty-six thousand, one hundred thirty-nine".