137772021715153 has 16 divisors (see below), whose sum is σ = 158402678160384. Its totient is φ = 117378654521040.

The previous prime is 137772021715147. The next prime is 137772021715213. The reversal of 137772021715153 is 351517120277731.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137772021715153 is a prime.

It is a super-2 number, since 2×137772021715153² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 137772021715153.

It is not an unprimeable number, because it can be changed into a prime (137772021710153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28261938 + ... + 32776228.

It is an arithmetic number, because the mean of its divisors is an integer number (9900167385024).

Almost surely, 2^{137772021715153} is an apocalyptic number.

It is an amenable number.

137772021715153 is a deficient number, since it is larger than the sum of its proper divisors (20630656445231).

137772021715153 is a wasteful number, since it uses less digits than its factorization.

137772021715153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540572.

The product of its (nonzero) digits is 2160900, while the sum is 52.

The spelling of 137772021715153 in words is "one hundred thirty-seven trillion, seven hundred seventy-two billion, twenty-one million, seven hundred fifteen thousand, one hundred fifty-three".