136354315529 has 4 divisors (see below), whose sum is σ = 137886386580. Its totient is φ = 134822244480.

The previous prime is 136354315501. The next prime is 136354315541. The reversal of 136354315529 is 925513453631.

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 65157667600 + 71196647929 = 255260^2 + 266827^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136354315529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136354315729) 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, 766035392 + ... + 766035569.

It is an arithmetic number, because the mean of its divisors is an integer number (34471596645).

Almost surely, 2^136354315529 is an apocalyptic number.

It is an amenable number.

136354315529 is a deficient number, since it is larger than the sum of its proper divisors (1532071051).

136354315529 is an equidigital number, since it uses as much as digits as its factorization.

136354315529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532071050.

The product of its digits is 1458000, while the sum is 47.

The spelling of 136354315529 in words is "one hundred thirty-six billion, three hundred fifty-four million, three hundred fifteen thousand, five hundred twenty-nine".