139020472969620 has 192 divisors, whose sum is σ = 436135254460416. Its totient is φ = 32790015198720.

The previous prime is 139020472969597. The next prime is 139020472969633. The reversal of 139020472969620 is 26969274020931.

It is a super-2 number, since 2×139020472969620² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 969475567 + ... + 969618953.

It is an arithmetic number, because the mean of its divisors is an integer number (2271537783648).

Almost surely, 2^{139020472969620} is an apocalyptic number.

139020472969620 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 139020472969620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218067627230208).

139020472969620 is an abundant number, since it is smaller than the sum of its proper divisors (297114781490796).

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

139020472969620 is a wasteful number, since it uses less digits than its factorization.

139020472969620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183150 (or 183148 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 60.

The spelling of 139020472969620 in words is "one hundred thirty-nine trillion, twenty billion, four hundred seventy-two million, nine hundred sixty-nine thousand, six hundred twenty".