135537701 has 16 divisors (see below), whose sum is σ = 148176000. Its totient is φ = 123233088.

The previous prime is 135537683. The next prime is 135537739. The reversal of 135537701 is 107735531.

It is a cyclic number.

It is not a de Polignac number, because 135537701 - 2²⁶ = 68428837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135530701) 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, 323270 + ... + 323688.

It is an arithmetic number, because the mean of its divisors is an integer number (9261000).

Almost surely, 2^135537701 is an apocalyptic number.

It is an amenable number.

135537701 is a deficient number, since it is larger than the sum of its proper divisors (12638299).

135537701 is a wasteful number, since it uses less digits than its factorization.

135537701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748.

The product of its (nonzero) digits is 11025, while the sum is 32.

The square root of 135537701 is about 11642.0660108075. The cubic root of 135537701 is about 513.6729601132.

The spelling of 135537701 in words is "one hundred thirty-five million, five hundred thirty-seven thousand, seven hundred one".