90132502 has 8 divisors (see below), whose sum is σ = 137415312. Its totient is φ = 44327400.

The previous prime is 90132461. The next prime is 90132503. The reversal of 90132502 is 20523109.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90132503) 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 3 ways as a sum of consecutive naturals, for example, 369274 + ... + 369517.

It is an arithmetic number, because the mean of its divisors is an integer number (17176914).

Almost surely, 2^90132502 is an apocalyptic number.

90132502 is a deficient number, since it is larger than the sum of its proper divisors (47282810).

90132502 is a wasteful number, since it uses less digits than its factorization.

90132502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738854.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 90132502 is about 9493.8138806277. The cubic root of 90132502 is about 448.3602909246.

The spelling of 90132502 in words is "ninety million, one hundred thirty-two thousand, five hundred two".