156376320133 has 16 divisors (see below), whose sum is σ = 171681249600. Its totient is φ = 141254135680.

The previous prime is 156376320131. The next prime is 156376320157. The reversal of 156376320133 is 331023673651.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 156376320133 - 2¹ = 156376320131 is a prime.

It is a super-2 number, since 2×156376320133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156376320131) 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, 2507235 + ... + 2568847.

It is an arithmetic number, because the mean of its divisors is an integer number (10730078100).

Almost surely, 2^156376320133 is an apocalyptic number.

It is an amenable number.

156376320133 is a deficient number, since it is larger than the sum of its proper divisors (15304929467).

156376320133 is a wasteful number, since it uses less digits than its factorization.

156376320133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63092.

The product of its (nonzero) digits is 204120, while the sum is 40.

Adding to 156376320133 its reverse (331023673651), we get a palindrome (487399993784).

The spelling of 156376320133 in words is "one hundred fifty-six billion, three hundred seventy-six million, three hundred twenty thousand, one hundred thirty-three".