136357521477 has 8 divisors (see below), whose sum is σ = 182825727840. Its totient is φ = 90397164720.

The previous prime is 136357521473. The next prime is 136357521497. The reversal of 136357521477 is 774125753631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136357521477 - 2² = 136357521473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136357521473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126961774 + ... + 126962847.

It is an arithmetic number, because the mean of its divisors is an integer number (22853215980).

Almost surely, 2^136357521477 is an apocalyptic number.

It is an amenable number.

136357521477 is a deficient number, since it is larger than the sum of its proper divisors (46468206363).

136357521477 is a wasteful number, since it uses less digits than its factorization.

136357521477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253924803.

The product of its digits is 3704400, while the sum is 51.

The spelling of 136357521477 in words is "one hundred thirty-six billion, three hundred fifty-seven million, five hundred twenty-one thousand, four hundred seventy-seven".