90936142 has 32 divisors (see below), whose sum is σ = 153990144. Its totient is φ = 39916800.

The previous prime is 90936137. The next prime is 90936143. The reversal of 90936142 is 24163909.

It is a junction number, because it is equal to n+sod(n) for n = 90936098 and 90936107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90936143) 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, 91267 + ... + 92257.

It is an arithmetic number, because the mean of its divisors is an integer number (4812192).

Almost surely, 2^90936142 is an apocalyptic number.

90936142 is a deficient number, since it is larger than the sum of its proper divisors (63054002).

90936142 is a wasteful number, since it uses less digits than its factorization.

90936142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 90936142 is about 9536.0443581183. The cubic root of 90936142 is about 449.6889076200.

The spelling of 90936142 in words is "ninety million, nine hundred thirty-six thousand, one hundred forty-two".