65136157329 has 16 divisors (see below), whose sum is σ = 87205491072. Its totient is φ = 43245727488.

The previous prime is 65136157309. The next prime is 65136157403. The reversal of 65136157329 is 92375163156.

65136157329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65136157329 - 2¹⁷ = 65136026257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65136157309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 978697 + ... + 1043129.

It is an arithmetic number, because the mean of its divisors is an integer number (5450343192).

Almost surely, 2^65136157329 is an apocalyptic number.

It is an amenable number.

65136157329 is a deficient number, since it is larger than the sum of its proper divisors (22069333743).

65136157329 is a wasteful number, since it uses less digits than its factorization.

65136157329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65816.

The product of its digits is 1020600, while the sum is 48.

The spelling of 65136157329 in words is "sixty-five billion, one hundred thirty-six million, one hundred fifty-seven thousand, three hundred twenty-nine".