132987023 has 16 divisors (see below), whose sum is σ = 151173120. Its totient is φ = 115973856.

The previous prime is 132986977. The next prime is 132987031. The reversal of 132987023 is 320789231.

It is a Cunningham number, because it is equal to 11532²-1.

It is a cyclic number.

It is not a de Polignac number, because 132987023 - 2¹⁰ = 132985999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132987083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149486 + ... + 150372.

It is an arithmetic number, because the mean of its divisors is an integer number (9448320).

Almost surely, 2^132987023 is an apocalyptic number.

132987023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

132987023 is a deficient number, since it is larger than the sum of its proper divisors (18186097).

132987023 is a wasteful number, since it uses less digits than its factorization.

132987023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 132987023 is about 11531.9999566424. Note that the first 4 decimals coincide. The cubic root of 132987023 is about 510.4302699833.

The spelling of 132987023 in words is "one hundred thirty-two million, nine hundred eighty-seven thousand, twenty-three".