156403413 has 16 divisors (see below), whose sum is σ = 233763840. Its totient is φ = 103344192.

The previous prime is 156403411. The next prime is 156403433. The reversal of 156403413 is 314304651.

156403413 is a `hidden beast` number, since 1 + 5 + 640 + 3 + 4 + 13 = 666.

It is not a de Polignac number, because 156403413 - 2¹ = 156403411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156403411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22581 + ... + 28682.

It is an arithmetic number, because the mean of its divisors is an integer number (14610240).

Almost surely, 2^156403413 is an apocalyptic number.

It is an amenable number.

156403413 is a deficient number, since it is larger than the sum of its proper divisors (77360427).

156403413 is a wasteful number, since it uses less digits than its factorization.

156403413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51385 (or 51379 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 156403413 is about 12506.1350144639. The cubic root of 156403413 is about 538.7848912683.

It can be divided in two parts, 156403 and 413, that added together give a square (156816 = 396²).

The spelling of 156403413 in words is "one hundred fifty-six million, four hundred three thousand, four hundred thirteen".