156140533 has 4 divisors (see below), whose sum is σ = 159462720. Its totient is φ = 152818348.

The previous prime is 156140519. The next prime is 156140539. The reversal of 156140533 is 335041651.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 156140533 - 2⁹ = 156140021 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 (156140539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1661023 + ... + 1661116.

It is an arithmetic number, because the mean of its divisors is an integer number (39865680).

Almost surely, 2^156140533 is an apocalyptic number.

It is an amenable number.

156140533 is a deficient number, since it is larger than the sum of its proper divisors (3322187).

156140533 is an equidigital number, since it uses as much as digits as its factorization.

156140533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322186.

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

The square root of 156140533 is about 12495.6205528177. The cubic root of 156140533 is about 538.4828620551.

The spelling of 156140533 in words is "one hundred fifty-six million, one hundred forty thousand, five hundred thirty-three".