131275145 has 8 divisors (see below), whose sum is σ = 164379456. Its totient is φ = 100453936.

The previous prime is 131275103. The next prime is 131275159. The reversal of 131275145 is 541572131.

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

It is a cyclic number.

It is not a de Polignac number, because 131275145 - 2⁸ = 131274889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570647 + ... + 570876.

It is an arithmetic number, because the mean of its divisors is an integer number (20547432).

Almost surely, 2^131275145 is an apocalyptic number.

It is an amenable number.

131275145 is a deficient number, since it is larger than the sum of its proper divisors (33104311).

131275145 is a wasteful number, since it uses less digits than its factorization.

131275145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141551.

The product of its digits is 4200, while the sum is 29.

The square root of 131275145 is about 11457.5366026035. The cubic root of 131275145 is about 508.2306300321.

The spelling of 131275145 in words is "one hundred thirty-one million, two hundred seventy-five thousand, one hundred forty-five".