135132215 has 8 divisors (see below), whose sum is σ = 162384288. Its totient is φ = 107955360.

The previous prime is 135132211. The next prime is 135132227. The reversal of 135132215 is 512231531.

It is a happy number.

135132215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135132215 - 2² = 135132211 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 (135132211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14771 + ... + 22100.

It is an arithmetic number, because the mean of its divisors is an integer number (20298036).

Almost surely, 2^135132215 is an apocalyptic number.

135132215 is a deficient number, since it is larger than the sum of its proper divisors (27252073).

135132215 is an equidigital number, since it uses as much as digits as its factorization.

135132215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37609.

The product of its digits is 900, while the sum is 23.

The square root of 135132215 is about 11624.6382739421. The cubic root of 135132215 is about 513.1601993386.

Adding to 135132215 its reverse (512231531), we get a palindrome (647363746).

The spelling of 135132215 in words is "one hundred thirty-five million, one hundred thirty-two thousand, two hundred fifteen".