767140136 has 64 divisors (see below), whose sum is σ = 1702010880. Its totient is φ = 317211840.

The previous prime is 767140133. The next prime is 767140141. The reversal of 767140136 is 631041767.

It is a junction number, because it is equal to n+sod(n) for n = 767140096 and 767140105.

It is not an unprimeable number, because it can be changed into a prime (767140133) 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, 1122851 + ... + 1123533.

It is an arithmetic number, because the mean of its divisors is an integer number (26593920).

Almost surely, 2^767140136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 767140136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851005440).

767140136 is an abundant number, since it is smaller than the sum of its proper divisors (934870744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

767140136 is a wasteful number, since it uses less digits than its factorization.

767140136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374 (or 1370 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 767140136 is about 27697.2947415447. The cubic root of 767140136 is about 915.4294960770.

The spelling of 767140136 in words is "seven hundred sixty-seven million, one hundred forty thousand, one hundred thirty-six".