139780790424 has 384 divisors, whose sum is σ = 444019968000. Its totient is φ = 40664574720.

The previous prime is 139780790423. The next prime is 139780790441. The reversal of 139780790424 is 424097087931.

139780790424 is a `hidden beast` number, since 139 + 7 + 80 + 7 + 9 + 0 + 424 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139780790423) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 169021099 + ... + 169021925.

It is an arithmetic number, because the mean of its divisors is an integer number (1156302000).

Almost surely, 2^139780790424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139780790424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222009984000).

139780790424 is an abundant number, since it is smaller than the sum of its proper divisors (304239177576).

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

139780790424 is a wasteful number, since it uses less digits than its factorization.

139780790424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 139780790424 in words is "one hundred thirty-nine billion, seven hundred eighty million, seven hundred ninety thousand, four hundred twenty-four".