90753131 has 8 divisors (see below), whose sum is σ = 106247904. Its totient is φ = 75890880.

The previous prime is 90753127. The next prime is 90753133. The reversal of 90753131 is 13135709.

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 90753131 - 2² = 90753127 is a prime.

It is a super-2 number, since 2×90753131² = 16472261572606322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90753094 and 90753103.

It is not an unprimeable number, because it can be changed into a prime (90753133) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 157820 + ... + 158393.

It is an arithmetic number, because the mean of its divisors is an integer number (13280988).

Almost surely, 2^90753131 is an apocalyptic number.

90753131 is a deficient number, since it is larger than the sum of its proper divisors (15494773).

90753131 is a wasteful number, since it uses less digits than its factorization.

90753131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316261.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 90753131 is about 9526.4437750926. The cubic root of 90753131 is about 449.3870353922.

The spelling of 90753131 in words is "ninety million, seven hundred fifty-three thousand, one hundred thirty-one".