139404770109 has 24 divisors (see below), whose sum is σ = 220241728512. Its totient is φ = 84267121920.

The previous prime is 139404770107. The next prime is 139404770111. The reversal of 139404770109 is 901077404931.

139404770109 is a `hidden beast` number, since 1 + 39 + 40 + 477 + 0 + 109 = 666.

It is an interprime number because it is at equal distance from previous prime (139404770107) and next prime (139404770111).

It is not a de Polignac number, because 139404770109 - 2¹ = 139404770107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139404770107) 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, 1800372 + ... + 1876205.

It is an arithmetic number, because the mean of its divisors is an integer number (9176738688).

Almost surely, 2^139404770109 is an apocalyptic number.

It is an amenable number.

139404770109 is a deficient number, since it is larger than the sum of its proper divisors (80836958403).

139404770109 is a wasteful number, since it uses less digits than its factorization.

139404770109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676977 (or 3676974 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 139404770109 in words is "one hundred thirty-nine billion, four hundred four million, seven hundred seventy thousand, one hundred nine".