136151325721 has 8 divisors (see below), whose sum is σ = 144217230624. Its totient is φ = 128091754560.

The previous prime is 136151325703. The next prime is 136151325749. The reversal of 136151325721 is 127523151631.

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 136151325721 - 2¹³ = 136151317529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136151325701) 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, 1539135 + ... + 1625188.

It is an arithmetic number, because the mean of its divisors is an integer number (18027153828).

Almost surely, 2^136151325721 is an apocalyptic number.

It is an amenable number.

136151325721 is a deficient number, since it is larger than the sum of its proper divisors (8065904903).

136151325721 is a wasteful number, since it uses less digits than its factorization.

136151325721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166871.

The product of its digits is 37800, while the sum is 37.

The spelling of 136151325721 in words is "one hundred thirty-six billion, one hundred fifty-one million, three hundred twenty-five thousand, seven hundred twenty-one".