139519241899 has 16 divisors (see below), whose sum is σ = 144932457600. Its totient is φ = 134215114240.

The previous prime is 139519241881. The next prime is 139519241903. The reversal of 139519241899 is 998142915931.

It is a cyclic number.

It is not a de Polignac number, because 139519241899 - 2¹⁷ = 139519110827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139519241809) 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, 753582 + ... + 920284.

It is an arithmetic number, because the mean of its divisors is an integer number (9058278600).

Almost surely, 2^139519241899 is an apocalyptic number.

139519241899 is a deficient number, since it is larger than the sum of its proper divisors (5413215701).

139519241899 is a wasteful number, since it uses less digits than its factorization.

139519241899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167030.

The product of its digits is 6298560, while the sum is 61.

The spelling of 139519241899 in words is "one hundred thirty-nine billion, five hundred nineteen million, two hundred forty-one thousand, eight hundred ninety-nine".