132677991 has 12 divisors (see below), whose sum is σ = 191791080. Its totient is φ = 88385040.

The previous prime is 132677981. The next prime is 132678017. The reversal of 132677991 is 199776231.

It is not a de Polignac number, because 132677991 - 2¹⁸ = 132415847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132677981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8965 + ... + 18593.

It is an arithmetic number, because the mean of its divisors is an integer number (15982590).

Almost surely, 2^132677991 is an apocalyptic number.

132677991 is a deficient number, since it is larger than the sum of its proper divisors (59113089).

132677991 is a wasteful number, since it uses less digits than its factorization.

132677991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11166 (or 11163 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 132677991 is about 11518.5932734861. The cubic root of 132677991 is about 510.0345881963.

The spelling of 132677991 in words is "one hundred thirty-two million, six hundred seventy-seven thousand, nine hundred ninety-one".