132640001 has 16 divisors (see below), whose sum is σ = 152740224. Its totient is φ = 114096384.

The previous prime is 132639977. The next prime is 132640021. The reversal of 132640001 is 100046231.

It is a de Polignac number, because none of the positive numbers 2^k-132640001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (132640021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19850 + ... + 25676.

It is an arithmetic number, because the mean of its divisors is an integer number (9546264).

Almost surely, 2^132640001 is an apocalyptic number.

It is an amenable number.

132640001 is a deficient number, since it is larger than the sum of its proper divisors (20100223).

132640001 is a wasteful number, since it uses less digits than its factorization.

132640001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5960.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 132640001 is about 11516.9440825247. The cubic root of 132640001 is about 509.9859037498.

Adding to 132640001 its reverse (100046231), we get a palindrome (232686232).

The spelling of 132640001 in words is "one hundred thirty-two million, six hundred forty thousand, one".