132981706 has 48 divisors (see below), whose sum is σ = 240962688. Its totient is φ = 54537600.

The previous prime is 132981697. The next prime is 132981707. The reversal of 132981706 is 607189231.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (132981707) 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, 174366 + ... + 175126.

It is an arithmetic number, because the mean of its divisors is an integer number (5020056).

Almost surely, 2^132981706 is an apocalyptic number.

132981706 is a deficient number, since it is larger than the sum of its proper divisors (107980982).

132981706 is a wasteful number, since it uses less digits than its factorization.

132981706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 132981706 is about 11531.7694219057. The cubic root of 132981706 is about 510.4234673298.

The spelling of 132981706 in words is "one hundred thirty-two million, nine hundred eighty-one thousand, seven hundred six".