135011657 has 4 divisors (see below), whose sum is σ = 147285456. Its totient is φ = 122737860.

The previous prime is 135011641. The next prime is 135011677. The reversal of 135011657 is 756110531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 756110531 = 11 ⋅68737321.

It is a cyclic number.

It is not a de Polignac number, because 135011657 - 2⁴ = 135011641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135011677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6136883 + ... + 6136904.

It is an arithmetic number, because the mean of its divisors is an integer number (36821364).

Almost surely, 2^135011657 is an apocalyptic number.

It is an amenable number.

135011657 is a deficient number, since it is larger than the sum of its proper divisors (12273799).

135011657 is a wasteful number, since it uses less digits than its factorization.

135011657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12273798.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 135011657 is about 11619.4516652035. The cubic root of 135011657 is about 513.0075489037.

The spelling of 135011657 in words is "one hundred thirty-five million, eleven thousand, six hundred fifty-seven".