8138529102 has 64 divisors (see below), whose sum is σ = 19309549824. Its totient is φ = 2258403840.

The previous prime is 8138529073. The next prime is 8138529121. The reversal of 8138529102 is 2019258318.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56508 + ... + 139535.

It is an arithmetic number, because the mean of its divisors is an integer number (301711716).

Almost surely, 2^8138529102 is an apocalyptic number.

8138529102 is an abundant number, since it is smaller than the sum of its proper divisors (11171020722).

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

8138529102 is a wasteful number, since it uses less digits than its factorization.

8138529102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196113.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 8138529102 is about 90213.7966277886. The cubic root of 8138529102 is about 2011.4780925128.

The spelling of 8138529102 in words is "eight billion, one hundred thirty-eight million, five hundred twenty-nine thousand, one hundred two".