902138192 has 40 divisors (see below), whose sum is σ = 1812003072. Its totient is φ = 434649600.

The previous prime is 902138189. The next prime is 902138197. The reversal of 902138192 is 291831209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902138197) 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, 115763 + ... + 123309.

Almost surely, 2^902138192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 902138192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (906001536).

902138192 is an abundant number, since it is smaller than the sum of its proper divisors (909864880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

902138192 is a wasteful number, since it uses less digits than its factorization.

902138192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827 (or 7821 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 902138192 is about 30035.6153923971. The cubic root of 902138192 is about 966.2533731188.

The spelling of 902138192 in words is "nine hundred two million, one hundred thirty-eight thousand, one hundred ninety-two".