155364131 has 16 divisors (see below), whose sum is σ = 171013920. Its totient is φ = 140279040.

The previous prime is 155364127. The next prime is 155364137. The reversal of 155364131 is 131463551.

It is a cyclic number.

It is not a de Polignac number, because 155364131 - 2² = 155364127 is a prime.

It is a super-2 number, since 2×155364131² = 48276026402770322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155364094 and 155364103.

It is not an unprimeable number, because it can be changed into a prime (155364137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116951 + ... + 118271.

It is an arithmetic number, because the mean of its divisors is an integer number (10688370).

Almost surely, 2^155364131 is an apocalyptic number.

155364131 is a deficient number, since it is larger than the sum of its proper divisors (15649789).

155364131 is a wasteful number, since it uses less digits than its factorization.

155364131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526.

The product of its digits is 5400, while the sum is 29.

The square root of 155364131 is about 12464.5148722283. The cubic root of 155364131 is about 537.5888510770.

The spelling of 155364131 in words is "one hundred fifty-five million, three hundred sixty-four thousand, one hundred thirty-one".