90774134 has 16 divisors (see below), whose sum is σ = 156358080. Its totient is φ = 39089160.

The previous prime is 90774133. The next prime is 90774137. The reversal of 90774134 is 43147709.

It is a junction number, because it is equal to n+sod(n) for n = 90774094 and 90774103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90774133) 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, 108164 + ... + 108999.

It is an arithmetic number, because the mean of its divisors is an integer number (9772380).

Almost surely, 2^90774134 is an apocalyptic number.

90774134 is a deficient number, since it is larger than the sum of its proper divisors (65583946).

90774134 is a wasteful number, since it uses less digits than its factorization.

90774134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217195.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 90774134 is about 9527.5460639138. The cubic root of 90774134 is about 449.4216999368.

The spelling of 90774134 in words is "ninety million, seven hundred seventy-four thousand, one hundred thirty-four".