139749101624 has 16 divisors (see below), whose sum is σ = 285850435320. Its totient is φ = 63522318880.

The previous prime is 139749101623. The next prime is 139749101633. The reversal of 139749101624 is 426101947931.

139749101624 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×139749101624² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139749101623) 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, 794028899 + ... + 794029074.

Almost surely, 2^139749101624 is an apocalyptic number.

It is an amenable number.

139749101624 is an abundant number, since it is smaller than the sum of its proper divisors (146101333696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139749101624 is a wasteful number, since it uses less digits than its factorization.

139749101624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588057990 (or 1588057986 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 139749101624 in words is "one hundred thirty-nine billion, seven hundred forty-nine million, one hundred one thousand, six hundred twenty-four".