135658042518 has 16 divisors (see below), whose sum is σ = 287275854960. Its totient is φ = 42559385856.

The previous prime is 135658042517. The next prime is 135658042519. The reversal of 135658042518 is 815240856531.

It is an interprime number because it is at equal distance from previous prime (135658042517) and next prime (135658042519).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135658042517) 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, 664990303 + ... + 664990506.

It is an arithmetic number, because the mean of its divisors is an integer number (17954740935).

Almost surely, 2^135658042518 is an apocalyptic number.

135658042518 is an abundant number, since it is smaller than the sum of its proper divisors (151617812442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135658042518 is a wasteful number, since it uses less digits than its factorization.

135658042518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329980831.

The product of its (nonzero) digits is 1152000, while the sum is 48.

The spelling of 135658042518 in words is "one hundred thirty-five billion, six hundred fifty-eight million, forty-two thousand, five hundred eighteen".