136741218518 has 8 divisors (see below), whose sum is σ = 205123675440. Its totient is φ = 68366660040.

The previous prime is 136741218463. The next prime is 136741218529. The reversal of 136741218518 is 815812147631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×136741218518² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1931138 + ... + 2000693.

It is an arithmetic number, because the mean of its divisors is an integer number (25640459430).

Almost surely, 2^136741218518 is an apocalyptic number.

136741218518 is a deficient number, since it is larger than the sum of its proper divisors (68382456922).

136741218518 is a wasteful number, since it uses less digits than its factorization.

136741218518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949222.

The product of its digits is 322560, while the sum is 47.

The spelling of 136741218518 in words is "one hundred thirty-six billion, seven hundred forty-one million, two hundred eighteen thousand, five hundred eighteen".