102113653 has 4 divisors (see below), whose sum is σ = 102725280. Its totient is φ = 101502028.

The previous prime is 102113633. The next prime is 102113663. The reversal of 102113653 is 356311201.

It is a happy number.

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 102113653 - 2⁵ = 102113621 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 (102113603) 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, 305563 + ... + 305896.

It is an arithmetic number, because the mean of its divisors is an integer number (25681320).

Almost surely, 2^102113653 is an apocalyptic number.

It is an amenable number.

102113653 is a deficient number, since it is larger than the sum of its proper divisors (611627).

102113653 is an equidigital number, since it uses as much as digits as its factorization.

102113653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611626.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 102113653 is about 10105.1300337997. The cubic root of 102113653 is about 467.4063457338.

Adding to 102113653 its reverse (356311201), we get a palindrome (458424854).

The spelling of 102113653 in words is "one hundred two million, one hundred thirteen thousand, six hundred fifty-three".