3691068136 has 32 divisors (see below), whose sum is σ = 8325720000. Its totient is φ = 1498628736.

The previous prime is 3691068131. The next prime is 3691068137. The reversal of 3691068136 is 6318601963.

It is a super-3 number, since 3×3691068136³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3691068092 and 3691068101.

It is not an unprimeable number, because it can be changed into a prime (3691068131) 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, 1733461 + ... + 1735588.

It is an arithmetic number, because the mean of its divisors is an integer number (260178750).

Almost surely, 2^3691068136 is an apocalyptic number.

It is an amenable number.

3691068136 is an abundant number, since it is smaller than the sum of its proper divisors (4634651864).

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

3691068136 is a wasteful number, since it uses less digits than its factorization.

3691068136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469081 (or 3469077 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 3691068136 is about 60754.1614706351. The cubic root of 3691068136 is about 1545.4347998962.

The spelling of 3691068136 in words is "three billion, six hundred ninety-one million, sixty-eight thousand, one hundred thirty-six".