139542519235 has 48 divisors (see below), whose sum is σ = 196268694624. Its totient is φ = 94961438208.

The previous prime is 139542519227. The next prime is 139542519241. The reversal of 139542519235 is 532915245931.

It is not a de Polignac number, because 139542519235 - 2³ = 139542519227 is a prime.

It is a super-2 number, since 2×139542519235² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42194452 + ... + 42197758.

It is an arithmetic number, because the mean of its divisors is an integer number (4088931138).

Almost surely, 2^139542519235 is an apocalyptic number.

139542519235 is a deficient number, since it is larger than the sum of its proper divisors (56726175389).

139542519235 is a wasteful number, since it uses less digits than its factorization.

139542519235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580 (or 4573 counting only the distinct ones).

The product of its digits is 1458000, while the sum is 49.

The spelling of 139542519235 in words is "one hundred thirty-nine billion, five hundred forty-two million, five hundred nineteen thousand, two hundred thirty-five".