132691899 has 16 divisors (see below), whose sum is σ = 185018112. Its totient is φ = 84430368.

The previous prime is 132691891. The next prime is 132691921. The reversal of 132691899 is 998196231.

It is not a de Polignac number, because 132691899 - 2³ = 132691891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (132691891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34249 + ... + 37925.

It is an arithmetic number, because the mean of its divisors is an integer number (11563632).

Almost surely, 2^132691899 is an apocalyptic number.

132691899 is a deficient number, since it is larger than the sum of its proper divisors (52326213).

132691899 is a wasteful number, since it uses less digits than its factorization.

132691899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226.

The product of its digits is 209952, while the sum is 48.

The square root of 132691899 is about 11519.1969772202. The cubic root of 132691899 is about 510.0524090701.

The spelling of 132691899 in words is "one hundred thirty-two million, six hundred ninety-one thousand, eight hundred ninety-nine".