132694640 has 40 divisors (see below), whose sum is σ = 332249568. Its totient is φ = 48994560.

The previous prime is 132694637. The next prime is 132694643. The reversal of 132694640 is 46496231.

It is an interprime number because it is at equal distance from previous prime (132694637) and next prime (132694643).

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 132694640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132694643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62756 + ... + 64835.

Almost surely, 2^132694640 is an apocalyptic number.

132694640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132694640 is an abundant number, since it is smaller than the sum of its proper divisors (199554928).

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

132694640 is a wasteful number, since it uses less digits than its factorization.

132694640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127617 (or 127611 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 132694640 is about 11519.3159519131. The cubic root of 132694640 is about 510.0559210756.

The spelling of 132694640 in words is "one hundred thirty-two million, six hundred ninety-four thousand, six hundred forty".