90914140 has 24 divisors (see below), whose sum is σ = 192814272. Its totient is φ = 36004800.

The previous prime is 90914137. The next prime is 90914171. The reversal of 90914140 is 4141909.

It is a junction number, because it is equal to n+sod(n) for n = 90914099 and 90914108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20484 + ... + 24523.

It is an arithmetic number, because the mean of its divisors is an integer number (8033928).

Almost surely, 2^90914140 is an apocalyptic number.

It is an amenable number.

90914140 is an abundant number, since it is smaller than the sum of its proper divisors (101900132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90914140 is a wasteful number, since it uses less digits than its factorization.

90914140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45117 (or 45115 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 90914140 is about 9534.8906653406. The cubic root of 90914140 is about 449.6526372835.

It can be divided in two parts, 9091 and 4140, that added together give a palindrome (13231).

The spelling of 90914140 in words is "ninety million, nine hundred fourteen thousand, one hundred forty".