139764243520 has 224 divisors, whose sum is σ = 381650662656. Its totient is φ = 48254976000.

The previous prime is 139764243511. The next prime is 139764243559. The reversal of 139764243520 is 25342467931.

139764243520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11085220 + ... + 11097820.

Almost surely, 2^139764243520 is an apocalyptic number.

139764243520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139764243520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190825331328).

139764243520 is an abundant number, since it is smaller than the sum of its proper divisors (241886419136).

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

139764243520 is a wasteful number, since it uses less digits than its factorization.

139764243520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12789 (or 12779 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 139764243520 in words is "one hundred thirty-nine billion, seven hundred sixty-four million, two hundred forty-three thousand, five hundred twenty".