135520167 has 8 divisors (see below), whose sum is σ = 181171840. Its totient is φ = 90107640.

The previous prime is 135520157. The next prime is 135520181. The reversal of 135520167 is 761025531.

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

It is not a de Polignac number, because 135520167 - 2⁸ = 135519911 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 (135520157) 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, 58459 + ... + 60732.

It is an arithmetic number, because the mean of its divisors is an integer number (22646480).

Almost surely, 2^135520167 is an apocalyptic number.

135520167 is a deficient number, since it is larger than the sum of its proper divisors (45651673).

135520167 is a wasteful number, since it uses less digits than its factorization.

135520167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119573.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 135520167 is about 11641.3129414169. The cubic root of 135520167 is about 513.6508085150.

Adding to 135520167 its reverse (761025531), we get a palindrome (896545698).

The spelling of 135520167 in words is "one hundred thirty-five million, five hundred twenty thousand, one hundred sixty-seven".