132991046 has 4 divisors (see below), whose sum is σ = 199486572. Its totient is φ = 66495522.

The previous prime is 132991031. The next prime is 132991091. The reversal of 132991046 is 640199231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 640199231 = 7 ⋅91457033.

It is a junction number, because it is equal to n+sod(n) for n = 132990997 and 132991015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33247760 + ... + 33247763.

It is an arithmetic number, because the mean of its divisors is an integer number (49871643).

Almost surely, 2^132991046 is an apocalyptic number.

132991046 is a deficient number, since it is larger than the sum of its proper divisors (66495526).

132991046 is an equidigital number, since it uses as much as digits as its factorization.

132991046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66495525.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 132991046 is about 11532.1743830034. The cubic root of 132991046 is about 510.4354169524.

The spelling of 132991046 in words is "one hundred thirty-two million, nine hundred ninety-one thousand, forty-six".