902531138 has 8 divisors (see below), whose sum is σ = 1374002832. Its totient is φ = 444530196.

The previous prime is 902531137. The next prime is 902531153. The reversal of 902531138 is 831135209.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (902531131) 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 3 ways as a sum of consecutive naturals, for example, 3367520 + ... + 3367787.

It is an arithmetic number, because the mean of its divisors is an integer number (171750354).

Almost surely, 2^902531138 is an apocalyptic number.

902531138 is a deficient number, since it is larger than the sum of its proper divisors (471471694).

902531138 is a wasteful number, since it uses less digits than its factorization.

902531138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6735376.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 902531138 is about 30042.1560145073. The cubic root of 902531138 is about 966.3936436774.

The spelling of 902531138 in words is "nine hundred two million, five hundred thirty-one thousand, one hundred thirty-eight".