155270131 has 8 divisors (see below), whose sum is σ = 158404064. Its totient is φ = 152167680.

The previous prime is 155270117. The next prime is 155270179. The reversal of 155270131 is 131072551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155270131 is a prime.

It is a super-2 number, since 2×155270131² = 48217627161514322, 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 = 155270096 and 155270105.

It is not an unprimeable number, because it can be changed into a prime (155270111) 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, 2221 + ... + 17761.

It is an arithmetic number, because the mean of its divisors is an integer number (19800508).

Almost surely, 2^155270131 is an apocalyptic number.

155270131 is a deficient number, since it is larger than the sum of its proper divisors (3133933).

155270131 is a wasteful number, since it uses less digits than its factorization.

155270131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15741.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 155270131 is about 12460.7435973942. The cubic root of 155270131 is about 537.4804100306.

The spelling of 155270131 in words is "one hundred fifty-five million, two hundred seventy thousand, one hundred thirty-one".