900539138 has 16 divisors (see below), whose sum is σ = 1360582080. Its totient is φ = 447022800.

The previous prime is 900539131. The next prime is 900539141. The reversal of 900539138 is 831935009.

It is not an unprimeable number, because it can be changed into a prime (900539131) 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 7 ways as a sum of consecutive naturals, for example, 182828 + ... + 187688.

It is an arithmetic number, because the mean of its divisors is an integer number (85036380).

Almost surely, 2^900539138 is an apocalyptic number.

900539138 is a deficient number, since it is larger than the sum of its proper divisors (460042942).

900539138 is a wasteful number, since it uses less digits than its factorization.

900539138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 900539138 is about 30008.9842880428. The cubic root of 900539138 is about 965.6821357576.

The spelling of 900539138 in words is "nine hundred million, five hundred thirty-nine thousand, one hundred thirty-eight".