156813349 has 16 divisors (see below), whose sum is σ = 196816896. Its totient is φ = 121374000.

The previous prime is 156813347. The next prime is 156813359. The reversal of 156813349 is 943318651.

It is not a de Polignac number, because 156813349 - 2¹ = 156813347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156813343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4884 + ... + 18370.

It is an arithmetic number, because the mean of its divisors is an integer number (12301056).

Almost surely, 2^156813349 is an apocalyptic number.

It is an amenable number.

156813349 is a deficient number, since it is larger than the sum of its proper divisors (40003547).

156813349 is a wasteful number, since it uses less digits than its factorization.

156813349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13656.

The product of its digits is 77760, while the sum is 40.

The square root of 156813349 is about 12522.5136853589. The cubic root of 156813349 is about 539.2552020580.

The spelling of 156813349 in words is "one hundred fifty-six million, eight hundred thirteen thousand, three hundred forty-nine".