102856413 has 24 divisors (see below), whose sum is σ = 154441728. Its totient is φ = 60808000.

The previous prime is 102856393. The next prime is 102856421. The reversal of 102856413 is 314658201.

It is not a de Polignac number, because 102856413 - 2²⁴ = 86079197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102856463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11428 + ... + 18338.

It is an arithmetic number, because the mean of its divisors is an integer number (6435072).

Almost surely, 2^102856413 is an apocalyptic number.

It is an amenable number.

102856413 is a deficient number, since it is larger than the sum of its proper divisors (51585315).

102856413 is a wasteful number, since it uses less digits than its factorization.

102856413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6977 (or 6966 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 102856413 is about 10141.8150742360. The cubic root of 102856413 is about 468.5368911463.

The spelling of 102856413 in words is "one hundred two million, eight hundred fifty-six thousand, four hundred thirteen".