102136998 has 16 divisors (see below), whose sum is σ = 204374016. Its totient is φ = 34029000.

The previous prime is 102136987. The next prime is 102136999. The reversal of 102136998 is 899631201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102136999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19123 + ... + 23873.

It is an arithmetic number, because the mean of its divisors is an integer number (12773376).

Almost surely, 2^102136998 is an apocalyptic number.

102136998 is an abundant number, since it is smaller than the sum of its proper divisors (102237018).

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

102136998 is a wasteful number, since it uses less digits than its factorization.

102136998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8339.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 102136998 is about 10106.2850741506. The cubic root of 102136998 is about 467.4419621585.

The spelling of 102136998 in words is "one hundred two million, one hundred thirty-six thousand, nine hundred ninety-eight".