131553235 has 16 divisors (see below), whose sum is σ = 175882752. Its totient is φ = 93637600.

The previous prime is 131553229. The next prime is 131553269. The reversal of 131553235 is 532355131.

It is not a de Polignac number, because 131553235 - 2¹⁷ = 131422163 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22861 + ... + 28030.

It is an arithmetic number, because the mean of its divisors is an integer number (10992672).

Almost surely, 2^131553235 is an apocalyptic number.

131553235 is a deficient number, since it is larger than the sum of its proper divisors (44329517).

131553235 is a wasteful number, since it uses less digits than its factorization.

131553235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50954.

The product of its digits is 6750, while the sum is 28.

The square root of 131553235 is about 11469.6658626134. The cubic root of 131553235 is about 508.5892512924.

The spelling of 131553235 in words is "one hundred thirty-one million, five hundred fifty-three thousand, two hundred thirty-five".