132995990 has 16 divisors (see below), whose sum is σ = 244960848. Its totient is φ = 51961056.

The previous prime is 132995987. The next prime is 132996053. The reversal of 132995990 is 99599231.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154217 + ... + 155076.

It is an arithmetic number, because the mean of its divisors is an integer number (15310053).

Almost surely, 2^132995990 is an apocalyptic number.

132995990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132995990 is a deficient number, since it is larger than the sum of its proper divisors (111964858).

132995990 is a wasteful number, since it uses less digits than its factorization.

132995990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309343.

The product of its (nonzero) digits is 196830, while the sum is 47.

The square root of 132995990 is about 11532.3887378114. The cubic root of 132995990 is about 510.4417420936.

The spelling of 132995990 in words is "one hundred thirty-two million, nine hundred ninety-five thousand, nine hundred ninety".