65629157139 has 24 divisors (see below), whose sum is σ = 116674058592. Its totient is φ = 34617576960.

The previous prime is 65629157129. The next prime is 65629157147. The reversal of 65629157139 is 93175192656.

65629157139 is a `hidden beast` number, since 6 + 5 + 62 + 9 + 1 + 571 + 3 + 9 = 666.

It is not a de Polignac number, because 65629157139 - 2²³ = 65620768531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65629157129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40065822 + ... + 40067459.

It is an arithmetic number, because the mean of its divisors is an integer number (4861419108).

Almost surely, 2^65629157139 is an apocalyptic number.

65629157139 is a deficient number, since it is larger than the sum of its proper divisors (51044901453).

65629157139 is a wasteful number, since it uses less digits than its factorization.

65629157139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80133307 (or 80133304 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 54.

The spelling of 65629157139 in words is "sixty-five billion, six hundred twenty-nine million, one hundred fifty-seven thousand, one hundred thirty-nine".