90029130 has 32 divisors (see below), whose sum is σ = 225465984. Its totient is φ = 22963776.

The previous prime is 90029123. The next prime is 90029131. The reversal of 90029130 is 3192009.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 90029130.

It is not an unprimeable number, because it can be changed into a prime (90029131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64549 + ... + 65928.

It is an arithmetic number, because the mean of its divisors is an integer number (7045812).

Almost surely, 2^90029130 is an apocalyptic number.

90029130 is an abundant number, since it is smaller than the sum of its proper divisors (135436854).

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

90029130 is a wasteful number, since it uses less digits than its factorization.

90029130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130510.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 90029130 is about 9488.3681420990. The cubic root of 90029130 is about 448.1888188182.

The spelling of 90029130 in words is "ninety million, twenty-nine thousand, one hundred thirty".