132744401 has 4 divisors (see below), whose sum is σ = 134058804. Its totient is φ = 131430000.

The previous prime is 132744389. The next prime is 132744407. The reversal of 132744401 is 104447231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55726225 + 77018176 = 7465^2 + 8776^2 .

It is a cyclic number.

It is not a de Polignac number, because 132744401 - 2¹⁴ = 132728017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (132744407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657050 + ... + 657251.

It is an arithmetic number, because the mean of its divisors is an integer number (33514701).

Almost surely, 2^132744401 is an apocalyptic number.

It is an amenable number.

132744401 is a deficient number, since it is larger than the sum of its proper divisors (1314403).

132744401 is a wasteful number, since it uses less digits than its factorization.

132744401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314402.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 132744401 is about 11521.4756433367. The cubic root of 132744401 is about 510.1196707510.

The spelling of 132744401 in words is "one hundred thirty-two million, seven hundred forty-four thousand, four hundred one".