132720634 has 4 divisors (see below), whose sum is σ = 199080954. Its totient is φ = 66360316.

The previous prime is 132720629. The next prime is 132720667. The reversal of 132720634 is 436027231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 436027231 = 12743 ⋅34217.

It can be written as a sum of positive squares in only one way, i.e., 131905225 + 815409 = 11485^2 + 903^2 .

It is a super-2 number, since 2×132720634² = 35229533378723912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33180157 + ... + 33180160.

Almost surely, 2^132720634 is an apocalyptic number.

132720634 is a deficient number, since it is larger than the sum of its proper divisors (66360320).

132720634 is an equidigital number, since it uses as much as digits as its factorization.

132720634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66360319.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 132720634 is about 11520.4441754648. Note that the first 3 decimals coincide. The cubic root of 132720634 is about 510.0892244252.

Adding to 132720634 its reverse (436027231), we get a palindrome (568747865).

The spelling of 132720634 in words is "one hundred thirty-two million, seven hundred twenty thousand, six hundred thirty-four".