90283137 has 24 divisors (see below), whose sum is σ = 141084576. Its totient is φ = 51202368.

The previous prime is 90283133. The next prime is 90283139. The reversal of 90283137 is 73138209.

It is not a de Polignac number, because 90283137 - 2² = 90283133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90283098 and 90283107.

It is not an unprimeable number, because it can be changed into a prime (90283133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17898 + ... + 22380.

It is an arithmetic number, because the mean of its divisors is an integer number (5878524).

Almost surely, 2^90283137 is an apocalyptic number.

It is an amenable number.

90283137 is a deficient number, since it is larger than the sum of its proper divisors (50801439).

90283137 is a wasteful number, since it uses less digits than its factorization.

90283137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637 (or 4630 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 90283137 is about 9501.7438925705. The cubic root of 90283137 is about 448.6099277032.

The spelling of 90283137 in words is "ninety million, two hundred eighty-three thousand, one hundred thirty-seven".