102986413 has 4 divisors (see below), whose sum is σ = 103007680. Its totient is φ = 102965148.

The previous prime is 102986399. The next prime is 102986417. The reversal of 102986413 is 314689201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102986413 - 2²⁵ = 69431981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102986417) 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, 556 + ... + 14362.

It is an arithmetic number, because the mean of its divisors is an integer number (25751920).

Almost surely, 2^102986413 is an apocalyptic number.

It is an amenable number.

102986413 is a deficient number, since it is larger than the sum of its proper divisors (21267).

102986413 is an equidigital number, since it uses as much as digits as its factorization.

102986413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21266.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 102986413 is about 10148.2221595706. Note that the first 3 decimals coincide. The cubic root of 102986413 is about 468.7342023002.

The spelling of 102986413 in words is "one hundred two million, nine hundred eighty-six thousand, four hundred thirteen".