132720661574 has 16 divisors (see below), whose sum is σ = 200307492000. Its totient is φ = 65952225024.

The previous prime is 132720661537. The next prime is 132720661609. The reversal of 132720661574 is 475166027231.

It is a happy number.

It is a super-3 number, since 3×132720661574³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon 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, 184727 + ... + 547325.

It is an arithmetic number, because the mean of its divisors is an integer number (12519218250).

Almost surely, 2^132720661574 is an apocalyptic number.

132720661574 is a deficient number, since it is larger than the sum of its proper divisors (67586830426).

132720661574 is a wasteful number, since it uses less digits than its factorization.

132720661574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363727.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 132720661574 in words is "one hundred thirty-two billion, seven hundred twenty million, six hundred sixty-one thousand, five hundred seventy-four".