135166537 has 16 divisors (see below), whose sum is σ = 150473664. Its totient is φ = 120384000.

The previous prime is 135166531. The next prime is 135166547. The reversal of 135166537 is 735661531.

It is not a de Polignac number, because 135166537 - 2¹¹ = 135164489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135166496 and 135166505.

It is not an unprimeable number, because it can be changed into a prime (135166531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177237 + ... + 177997.

It is an arithmetic number, because the mean of its divisors is an integer number (9404604).

Almost surely, 2^135166537 is an apocalyptic number.

It is an amenable number.

135166537 is a deficient number, since it is larger than the sum of its proper divisors (15307127).

135166537 is a wasteful number, since it uses less digits than its factorization.

135166537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its digits is 56700, while the sum is 37.

The square root of 135166537 is about 11626.1144412052. The cubic root of 135166537 is about 513.2036412212.

The spelling of 135166537 in words is "one hundred thirty-five million, one hundred sixty-six thousand, five hundred thirty-seven".