139078501387 has 12 divisors (see below), whose sum is σ = 162551962056. Its totient is φ = 118645158240.

The previous prime is 139078501369. The next prime is 139078501403. The reversal of 139078501387 is 783105870931.

It is not a de Polignac number, because 139078501387 - 2¹⁹ = 139077977099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139078501327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6715578 + ... + 6736255.

It is an arithmetic number, because the mean of its divisors is an integer number (13545996838).

Almost surely, 2^139078501387 is an apocalyptic number.

139078501387 is a deficient number, since it is larger than the sum of its proper divisors (23473460669).

139078501387 is a wasteful number, since it uses less digits than its factorization.

139078501387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13452058 (or 13452051 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 139078501387 in words is "one hundred thirty-nine billion, seventy-eight million, five hundred one thousand, three hundred eighty-seven".