13542675129 has 9 divisors (see below), whose sum is σ = 19562146149. Its totient is φ = 9028217340.

The previous prime is 13542675071. The next prime is 13542675143. The reversal of 13542675129 is 92157624531.

The square root of 13542675129 is 116373.

It is a perfect power (a square), and thus also a powerful number.

13542675129 is a `hidden beast` number, since 1 + 35 + 42 + 67 + 512 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 13542675129 - 2⁷ = 13542675001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13542675199) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 329724 + ... + 368514.

Almost surely, 2^13542675129 is an apocalyptic number.

13542675129 is the 116373-rd square number.

13542675129 is the 58187-th centered octagonal number.

It is an amenable number.

13542675129 is a deficient number, since it is larger than the sum of its proper divisors (6019471020).

13542675129 is an frugal number, since it uses more digits than its factorization.

13542675129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77588 (or 38794 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The spelling of 13542675129 in words is "thirteen billion, five hundred forty-two million, six hundred seventy-five thousand, one hundred twenty-nine".