136899958349953 has 8 divisors (see below), whose sum is σ = 144111196044000. Its totient is φ = 129689318328768.

The previous prime is 136899958349923. The next prime is 136899958349993. The reversal of 136899958349953 is 359943859998631.

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

It is a cyclic number.

It is not a de Polignac number, because 136899958349953 - 2²⁵ = 136899924795521 is a prime.

It is a super-2 number, since 2×136899958349953² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136899958349923) 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, 148948003 + ... + 149864296.

It is an arithmetic number, because the mean of its divisors is an integer number (18013899505500).

Almost surely, 2^{136899958349953} is an apocalyptic number.

It is an amenable number.

136899958349953 is a deficient number, since it is larger than the sum of its proper divisors (7211237694047).

136899958349953 is a wasteful number, since it uses less digits than its factorization.

136899958349953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298836431.

The product of its digits is 61222003200, while the sum is 91.

The spelling of 136899958349953 in words is "one hundred thirty-six trillion, eight hundred ninety-nine billion, nine hundred fifty-eight million, three hundred forty-nine thousand, nine hundred fifty-three".