131951853 has 12 divisors (see below), whose sum is σ = 207924288. Its totient is φ = 79970760.

The previous prime is 131951843. The next prime is 131951887. The reversal of 131951853 is 358159131.

131951853 is a `hidden beast` number, since 131 + 9 + 518 + 5 + 3 = 666.

It is not a de Polignac number, because 131951853 - 2¹⁶ = 131886317 is a prime.

It is a super-2 number, since 2×131951853² = 34822583020267218, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131951843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 666325 + ... + 666522.

It is an arithmetic number, because the mean of its divisors is an integer number (17327024).

Almost surely, 2^131951853 is an apocalyptic number.

It is an amenable number.

131951853 is a deficient number, since it is larger than the sum of its proper divisors (75972435).

131951853 is a wasteful number, since it uses less digits than its factorization.

131951853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332864 (or 1332861 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 131951853 is about 11487.0297727480. The cubic root of 131951853 is about 509.1024235404.

The spelling of 131951853 in words is "one hundred thirty-one million, nine hundred fifty-one thousand, eight hundred fifty-three".