134887915253 has 24 divisors (see below), whose sum is σ = 171295325208. Its totient is φ = 105262488576.

The previous prime is 134887915249. The next prime is 134887915271. The reversal of 134887915253 is 352519788431.

It can be written as a sum of positive squares in 4 ways, for example, as 1007300644 + 133880614609 = 31738^2 + 365897^2 .

It is not a de Polignac number, because 134887915253 - 2² = 134887915249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134887915243) 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, 1403876 + ... + 1496877.

It is an arithmetic number, because the mean of its divisors is an integer number (7137305217).

Almost surely, 2^134887915253 is an apocalyptic number.

134887915253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

134887915253 is a deficient number, since it is larger than the sum of its proper divisors (36407409955).

134887915253 is a wasteful number, since it uses less digits than its factorization.

134887915253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900853 (or 2900846 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 56.

The spelling of 134887915253 in words is "one hundred thirty-four billion, eight hundred eighty-seven million, nine hundred fifteen thousand, two hundred fifty-three".