135680258 has 32 divisors (see below), whose sum is σ = 244007424. Its totient is φ = 55363392.

The previous prime is 135680249. The next prime is 135680261. The reversal of 135680258 is 852086531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21560 + ... + 27132.

It is an arithmetic number, because the mean of its divisors is an integer number (7625232).

Almost surely, 2^135680258 is an apocalyptic number.

135680258 is a deficient number, since it is larger than the sum of its proper divisors (108327166).

135680258 is a wasteful number, since it uses less digits than its factorization.

135680258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 135680258 is about 11648.1868975390. The cubic root of 135680258 is about 513.8529887874.

The spelling of 135680258 in words is "one hundred thirty-five million, six hundred eighty thousand, two hundred fifty-eight".