90503133 has 8 divisors (see below), whose sum is σ = 137909568. Its totient is φ = 51716064.

The previous prime is 90503129. The next prime is 90503173. The reversal of 90503133 is 33130509.

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

It is not a de Polignac number, because 90503133 - 2² = 90503129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90503123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2154816 + ... + 2154857.

It is an arithmetic number, because the mean of its divisors is an integer number (17238696).

Almost surely, 2^90503133 is an apocalyptic number.

It is an amenable number.

90503133 is a deficient number, since it is larger than the sum of its proper divisors (47406435).

90503133 is a wasteful number, since it uses less digits than its factorization.

90503133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4309683.

The product of its (nonzero) digits is 1215, while the sum is 24.

The square root of 90503133 is about 9513.3134606193. The cubic root of 90503133 is about 448.9740131751.

The spelling of 90503133 in words is "ninety million, five hundred three thousand, one hundred thirty-three".