136120263551 has 8 divisors (see below), whose sum is σ = 136366188000. Its totient is φ = 135874402560.

The previous prime is 136120263547. The next prime is 136120263563. The reversal of 136120263551 is 155362021631.

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 136120263551 - 2² = 136120263547 is a prime.

It is a super-2 number, since 2×136120263551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136120203551) 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, 6991991 + ... + 7011431.

It is an arithmetic number, because the mean of its divisors is an integer number (17045773500).

Almost surely, 2^136120263551 is an apocalyptic number.

136120263551 is a deficient number, since it is larger than the sum of its proper divisors (245924449).

136120263551 is a wasteful number, since it uses less digits than its factorization.

136120263551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31729.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 136120263551 in words is "one hundred thirty-six billion, one hundred twenty million, two hundred sixty-three thousand, five hundred fifty-one".