139851411387 has 16 divisors (see below), whose sum is σ = 197470340640. Its totient is φ = 87735214592.

The previous prime is 139851411361. The next prime is 139851411431. The reversal of 139851411387 is 783114158931.

It is not a de Polignac number, because 139851411387 - 2¹² = 139851407291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (139851411787) 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, 82189 + ... + 535217.

It is an arithmetic number, because the mean of its divisors is an integer number (12341896290).

Almost surely, 2^139851411387 is an apocalyptic number.

139851411387 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

139851411387 is a deficient number, since it is larger than the sum of its proper divisors (57618929253).

139851411387 is a wasteful number, since it uses less digits than its factorization.

139851411387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459102.

The product of its digits is 725760, while the sum is 51.

The spelling of 139851411387 in words is "one hundred thirty-nine billion, eight hundred fifty-one million, four hundred eleven thousand, three hundred eighty-seven".