137772021715095 has 32 divisors (see below), whose sum is σ = 220716742809600. Its totient is φ = 73384594867584.

The previous prime is 137772021715061. The next prime is 137772021715117. The reversal of 137772021715095 is 590517120277731.

It is not a de Polignac number, because 137772021715095 - 2⁷ = 137772021714967 is a prime.

It is a super-2 number, since 2×137772021715095² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114503226 + ... + 115700184.

It is an arithmetic number, because the mean of its divisors is an integer number (6897398212800).

Almost surely, 2^{137772021715095} is an apocalyptic number.

137772021715095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

137772021715095 is a deficient number, since it is larger than the sum of its proper divisors (82944721094505).

137772021715095 is a wasteful number, since it uses less digits than its factorization.

137772021715095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206759.

The product of its (nonzero) digits is 6482700, while the sum is 57.

The spelling of 137772021715095 in words is "one hundred thirty-seven trillion, seven hundred seventy-two billion, twenty-one million, seven hundred fifteen thousand, ninety-five".