132661415 has 4 divisors (see below), whose sum is σ = 159193704. Its totient is φ = 106129128.

The previous prime is 132661411. The next prime is 132661423. The reversal of 132661415 is 514166231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 514166231 = 127 ⋅4048553.

It is a cyclic number.

It is not a de Polignac number, because 132661415 - 2² = 132661411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132661411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13266137 + ... + 13266146.

It is an arithmetic number, because the mean of its divisors is an integer number (39798426).

Almost surely, 2^132661415 is an apocalyptic number.

132661415 is a deficient number, since it is larger than the sum of its proper divisors (26532289).

132661415 is an equidigital number, since it uses as much as digits as its factorization.

132661415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26532288.

The product of its digits is 4320, while the sum is 29.

The square root of 132661415 is about 11517.8737187035. The cubic root of 132661415 is about 510.0133470812.

The spelling of 132661415 in words is "one hundred thirty-two million, six hundred sixty-one thousand, four hundred fifteen".