138761735148115 has 4 divisors (see below), whose sum is σ = 166514082177744. Its totient is φ = 111009388118488.

The previous prime is 138761735148083. The next prime is 138761735148139. The reversal of 138761735148115 is 511841537167831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 138761735148115 - 2⁵ = 138761735148083 is a prime.

It is a super-2 number, since 2×138761735148115² (a number of 29 digits) contains 22 as substring.

It is a Duffinian 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, 13876173514807 + ... + 13876173514816.

It is an arithmetic number, because the mean of its divisors is an integer number (41628520544436).

Almost surely, 2^{138761735148115} is an apocalyptic number.

138761735148115 is a deficient number, since it is larger than the sum of its proper divisors (27752347029629).

138761735148115 is an equidigital number, since it uses as much as digits as its factorization.

138761735148115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27752347029628.

The product of its digits is 16934400, while the sum is 61.

The spelling of 138761735148115 in words is "one hundred thirty-eight trillion, seven hundred sixty-one billion, seven hundred thirty-five million, one hundred forty-eight thousand, one hundred fifteen".