137135372518 has 8 divisors (see below), whose sum is σ = 205711065648. Its totient is φ = 68565017304.

The previous prime is 137135372513. The next prime is 137135372533. The reversal of 137135372518 is 815273531731.

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

It is a super-2 number, since 2×137135372518² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137135372513) 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, 1269621 + ... + 1373392.

It is an arithmetic number, because the mean of its divisors is an integer number (25713883206).

Almost surely, 2^137135372518 is an apocalyptic number.

137135372518 is a deficient number, since it is larger than the sum of its proper divisors (68575693130).

137135372518 is a wasteful number, since it uses less digits than its factorization.

137135372518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668958.

The product of its digits is 529200, while the sum is 46.

The spelling of 137135372518 in words is "one hundred thirty-seven billion, one hundred thirty-five million, three hundred seventy-two thousand, five hundred eighteen".