90131462 has 4 divisors (see below), whose sum is σ = 135197196. Its totient is φ = 45065730.

The previous prime is 90131453. The next prime is 90131473. The reversal of 90131462 is 26413109.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22532864 + ... + 22532867.

It is an arithmetic number, because the mean of its divisors is an integer number (33799299).

Almost surely, 2^90131462 is an apocalyptic number.

90131462 is a deficient number, since it is larger than the sum of its proper divisors (45065734).

90131462 is a wasteful number, since it uses less digits than its factorization.

90131462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45065733.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 90131462 is about 9493.7591079614. The cubic root of 90131462 is about 448.3585664394.

The spelling of 90131462 in words is "ninety million, one hundred thirty-one thousand, four hundred sixty-two".