139934754149 has 4 divisors (see below), whose sum is σ = 140010519264. Its totient is φ = 139858989036.

The previous prime is 139934754109. The next prime is 139934754217. The reversal of 139934754149 is 941457439931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 139934754149 - 2²⁰ = 139933705573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139934754109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37879787 + ... + 37883480.

It is an arithmetic number, because the mean of its divisors is an integer number (35002629816).

Almost surely, 2^139934754149 is an apocalyptic number.

It is an amenable number.

139934754149 is a deficient number, since it is larger than the sum of its proper divisors (75765115).

139934754149 is an equidigital number, since it uses as much as digits as its factorization.

139934754149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75765114.

The product of its digits is 14696640, while the sum is 59.

The spelling of 139934754149 in words is "one hundred thirty-nine billion, nine hundred thirty-four million, seven hundred fifty-four thousand, one hundred forty-nine".