139785771352 has 64 divisors (see below), whose sum is σ = 268876661760. Its totient is φ = 68104982400.

The previous prime is 139785771317. The next prime is 139785771353. The reversal of 139785771352 is 253177587931.

Its product of digits (11113200) is a multiple of the sum of its prime divisors (3780).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139785771353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46423527 + ... + 46426537.

It is an arithmetic number, because the mean of its divisors is an integer number (4201197840).

Almost surely, 2^139785771352 is an apocalyptic number.

It is an amenable number.

139785771352 is a deficient number, since it is larger than the sum of its proper divisors (129090890408).

139785771352 is a wasteful number, since it uses less digits than its factorization.

139785771352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784 (or 3780 counting only the distinct ones).

The product of its digits is 11113200, while the sum is 58.

The spelling of 139785771352 in words is "one hundred thirty-nine billion, seven hundred eighty-five million, seven hundred seventy-one thousand, three hundred fifty-two".