156980133 has 8 divisors (see below), whose sum is σ = 232563200. Its totient is φ = 104653404.

The previous prime is 156980123. The next prime is 156980171. The reversal of 156980133 is 331089651.

It is a happy number.

156980133 is a `hidden beast` number, since 1 + 569 + 80 + 13 + 3 = 666.

It is not a de Polignac number, because 156980133 - 2⁹ = 156979621 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 (156980123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2907013 + ... + 2907066.

It is an arithmetic number, because the mean of its divisors is an integer number (29070400).

Almost surely, 2^156980133 is an apocalyptic number.

It is an amenable number.

156980133 is a deficient number, since it is larger than the sum of its proper divisors (75583067).

156980133 is an equidigital number, since it uses as much as digits as its factorization.

156980133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814088 (or 5814082 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 156980133 is about 12529.1712814535. The cubic root of 156980133 is about 539.4463151937.

The spelling of 156980133 in words is "one hundred fifty-six million, nine hundred eighty thousand, one hundred thirty-three".