102299136 has 40 divisors (see below), whose sum is σ = 272535384. Its totient is φ = 34099200.

The previous prime is 102299129. The next prime is 102299137. The reversal of 102299136 is 631992201.

It is a super-2 number, since 2×102299136² = 20930226452692992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102299097 and 102299106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102299137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31765 + ... + 34836.

Almost surely, 2^102299136 is an apocalyptic number.

102299136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102299136 is an abundant number, since it is smaller than the sum of its proper divisors (170236248).

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

102299136 is an frugal number, since it uses more digits than its factorization.

102299136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66622 (or 66606 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 102299136 is about 10114.3035350933. The cubic root of 102299136 is about 467.6891792532.

The spelling of 102299136 in words is "one hundred two million, two hundred ninety-nine thousand, one hundred thirty-six".