139933030909 has 24 divisors (see below), whose sum is σ = 168068452608. Its totient is φ = 116047048320.

The previous prime is 139933030891. The next prime is 139933030921. The reversal of 139933030909 is 909030339931.

It is not a de Polignac number, because 139933030909 - 2⁷ = 139933030781 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139933030609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9497022 + ... + 9511744.

It is an arithmetic number, because the mean of its divisors is an integer number (7002852192).

Almost surely, 2^139933030909 is an apocalyptic number.

It is an amenable number.

139933030909 is a deficient number, since it is larger than the sum of its proper divisors (28135421699).

139933030909 is a wasteful number, since it uses less digits than its factorization.

139933030909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21025 (or 21018 counting only the distinct ones).

The product of its (nonzero) digits is 531441, while the sum is 49.

The spelling of 139933030909 in words is "one hundred thirty-nine billion, nine hundred thirty-three million, thirty thousand, nine hundred nine".