64134620137 has 16 divisors (see below), whose sum is σ = 77219619840. Its totient is φ = 52035237648.

The previous prime is 64134620131. The next prime is 64134620167. The reversal of 64134620137 is 73102643146.

It is a cyclic number.

It is not a de Polignac number, because 64134620137 - 2³ = 64134620129 is a prime.

It is a super-2 number, since 2×64134620137² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64134620096 and 64134620105.

It is not an unprimeable number, because it can be changed into a prime (64134620131) 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, 45253 + ... + 360994.

It is an arithmetic number, because the mean of its divisors is an integer number (4826226240).

Almost surely, 2^64134620137 is an apocalyptic number.

It is an amenable number.

64134620137 is a deficient number, since it is larger than the sum of its proper divisors (13084999703).

64134620137 is a wasteful number, since it uses less digits than its factorization.

64134620137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407460.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 64134620137 in words is "sixty-four billion, one hundred thirty-four million, six hundred twenty thousand, one hundred thirty-seven".