132511540 has 24 divisors (see below), whose sum is σ = 318028032. Its totient is φ = 45432480.

The previous prime is 132511517. The next prime is 132511553. The reversal of 132511540 is 45115231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473116 + ... + 473395.

It is an arithmetic number, because the mean of its divisors is an integer number (13251168).

Almost surely, 2^132511540 is an apocalyptic number.

132511540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132511540 is an abundant number, since it is smaller than the sum of its proper divisors (185516492).

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

132511540 is a wasteful number, since it uses less digits than its factorization.

132511540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946527 (or 946525 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 132511540 is about 11511.3656878756. The cubic root of 132511540 is about 509.8212111990.

Adding to 132511540 its reverse (45115231), we get a palindrome (177626771).

The spelling of 132511540 in words is "one hundred thirty-two million, five hundred eleven thousand, five hundred forty".