139112511387 has 16 divisors (see below), whose sum is σ = 185913439488. Its totient is φ = 92526752480.

The previous prime is 139112511371. The next prime is 139112511409. The reversal of 139112511387 is 783115211931.

It is a cyclic number.

It is not a de Polignac number, because 139112511387 - 2⁴ = 139112511371 is a prime.

It is a super-3 number, since 3×139112511387³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (139112911387) 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, 5136712 + ... + 5163722.

It is an arithmetic number, because the mean of its divisors is an integer number (11619589968).

Almost surely, 2^139112511387 is an apocalyptic number.

139112511387 is a deficient number, since it is larger than the sum of its proper divisors (46800928101).

139112511387 is a wasteful number, since it uses less digits than its factorization.

139112511387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30930.

The product of its digits is 45360, while the sum is 42.

The spelling of 139112511387 in words is "one hundred thirty-nine billion, one hundred twelve million, five hundred eleven thousand, three hundred eighty-seven".