156340513 has 12 divisors (see below), whose sum is σ = 182132608. Its totient is φ = 131461200.

The previous prime is 156340511. The next prime is 156340529. The reversal of 156340513 is 315043651.

It is not a de Polignac number, because 156340513 - 2¹ = 156340511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (156340511) 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, 15688 + ... + 23638.

Almost surely, 2^156340513 is an apocalyptic number.

It is an amenable number.

156340513 is a deficient number, since it is larger than the sum of its proper divisors (25792095).

156340513 is an frugal number, since it uses more digits than its factorization.

With its successor (156340514) it forms an eRAP, since the sums of their prime factors are consecutive (8064 and 8065).

156340513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8064 (or 8011 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 156340513 is about 12503.6199958252. The cubic root of 156340513 is about 538.7126547506.

The spelling of 156340513 in words is "one hundred fifty-six million, three hundred forty thousand, five hundred thirteen".