102402135 has 96 divisors (see below), whose sum is σ = 210532608. Its totient is φ = 45480960.

The previous prime is 102402127. The next prime is 102402193. The reversal of 102402135 is 531204201.

It is not a de Polignac number, because 102402135 - 2³ = 102402127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 361704 + ... + 361986.

It is an arithmetic number, because the mean of its divisors is an integer number (2193048).

Almost surely, 2^102402135 is an apocalyptic number.

102402135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102402135 is an abundant number, since it is smaller than the sum of its proper divisors (108130473).

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

102402135 is a wasteful number, since it uses less digits than its factorization.

102402135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 102402135 is about 10119.3940035953. The cubic root of 102402135 is about 467.8460895383.

Adding to 102402135 its reverse (531204201), we get a palindrome (633606336).

The spelling of 102402135 in words is "one hundred two million, four hundred two thousand, one hundred thirty-five".