102136551502253 has 4 divisors (see below), whose sum is σ = 108144583943580. Its totient is φ = 96128519060928.

The previous prime is 102136551502211. The next prime is 102136551502273. The reversal of 102136551502253 is 352205155631201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93187108302409 + 8949443199844 = 9653347^2 + 2991562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102136551502253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102136551502253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102136551502273) 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, 3004016220638 + ... + 3004016220671.

It is an arithmetic number, because the mean of its divisors is an integer number (27036145985895).

Almost surely, 2^{102136551502253} is an apocalyptic number.

It is an amenable number.

102136551502253 is a deficient number, since it is larger than the sum of its proper divisors (6008032441327).

102136551502253 is an equidigital number, since it uses as much as digits as its factorization.

102136551502253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6008032441326.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 102136551502253 in words is "one hundred two trillion, one hundred thirty-six billion, five hundred fifty-one million, five hundred two thousand, two hundred fifty-three".