131642275 has 24 divisors (see below), whose sum is σ = 171417600. Its totient is φ = 100154400.

The previous prime is 131642249. The next prime is 131642297. The reversal of 131642275 is 572246131.

It is a de Polignac number, because none of the positive numbers 2^k-131642275 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44286 + ... + 47164.

It is an arithmetic number, because the mean of its divisors is an integer number (7142400).

Almost surely, 2^131642275 is an apocalyptic number.

131642275 is a deficient number, since it is larger than the sum of its proper divisors (39775325).

131642275 is a wasteful number, since it uses less digits than its factorization.

131642275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979 (or 2974 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 131642275 is about 11473.5467489351. The cubic root of 131642275 is about 508.7039692973.

The spelling of 131642275 in words is "one hundred thirty-one million, six hundred forty-two thousand, two hundred seventy-five".