133642516 has 24 divisors (see below), whose sum is σ = 267636096. Its totient is φ = 57200160.

The previous prime is 133642513. The next prime is 133642577. The reversal of 133642516 is 615246331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133642513) 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, 22146 + ... + 27526.

It is an arithmetic number, because the mean of its divisors is an integer number (11151504).

Almost surely, 2^133642516 is an apocalyptic number.

It is an amenable number.

133642516 is an abundant number, since it is smaller than the sum of its proper divisors (133993580).

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

133642516 is a wasteful number, since it uses less digits than its factorization.

133642516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6279 (or 6277 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 133642516 is about 11560.3856337062. The cubic root of 133642516 is about 511.2675327508.

Adding to 133642516 its reverse (615246331), we get a palindrome (748888847).

The spelling of 133642516 in words is "one hundred thirty-three million, six hundred forty-two thousand, five hundred sixteen".