135511493629 has 4 divisors (see below), whose sum is σ = 135626237820. Its totient is φ = 135396749440.

The previous prime is 135511493617. The next prime is 135511493639. The reversal of 135511493629 is 926394115531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 926394115531 = 337 ⋅2748943963.

It can be written as a sum of positive squares in 2 ways, for example, as 130526851225 + 4984642404 = 361285^2 + 70602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135511493629 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 (135511493639) 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, 57370324 + ... + 57372685.

It is an arithmetic number, because the mean of its divisors is an integer number (33906559455).

Almost surely, 2^135511493629 is an apocalyptic number.

It is an amenable number.

135511493629 is a deficient number, since it is larger than the sum of its proper divisors (114744191).

135511493629 is a wasteful number, since it uses less digits than its factorization.

135511493629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114744190.

The product of its digits is 874800, while the sum is 49.

The spelling of 135511493629 in words is "one hundred thirty-five billion, five hundred eleven million, four hundred ninety-three thousand, six hundred twenty-nine".