90621134 has 8 divisors (see below), whose sum is σ = 137846448. Its totient is φ = 44672320.

The previous prime is 90621133. The next prime is 90621161. The reversal of 90621134 is 43112609.

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 (90621131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318947 + ... + 319230.

It is an arithmetic number, because the mean of its divisors is an integer number (17230806).

Almost surely, 2^90621134 is an apocalyptic number.

90621134 is a deficient number, since it is larger than the sum of its proper divisors (47225314).

90621134 is a wasteful number, since it uses less digits than its factorization.

90621134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638250.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 90621134 is about 9519.5133278965. The cubic root of 90621134 is about 449.1690575234.

The spelling of 90621134 in words is "ninety million, six hundred twenty-one thousand, one hundred thirty-four".