138067140381 has 64 divisors (see below), whose sum is σ = 217115873280. Its totient is φ = 77396014080.

The previous prime is 138067140377. The next prime is 138067140467. The reversal of 138067140381 is 183041760831.

It is not a de Polignac number, because 138067140381 - 2² = 138067140377 is a prime.

It is a super-2 number, since 2×138067140381² (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 (138067140301) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1538751 + ... + 1626003.

It is an arithmetic number, because the mean of its divisors is an integer number (3392435520).

Almost surely, 2^138067140381 is an apocalyptic number.

It is an amenable number.

138067140381 is a deficient number, since it is larger than the sum of its proper divisors (79048732899).

138067140381 is a wasteful number, since it uses less digits than its factorization.

138067140381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87386.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 138067140381 in words is "one hundred thirty-eight billion, sixty-seven million, one hundred forty thousand, three hundred eighty-one".