139905744372 has 36 divisors (see below), whose sum is σ = 366748805696. Its totient is φ = 46635247800.

The previous prime is 139905744371. The next prime is 139905744379. The reversal of 139905744372 is 273447509931.

139905744372 is a `hidden beast` number, since 1 + 39 + 9 + 0 + 574 + 4 + 37 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 (139905744371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71967004 + ... + 71968947.

Almost surely, 2^139905744372 is an apocalyptic number.

139905744372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139905744372 is an abundant number, since it is smaller than the sum of its proper divisors (226843061324).

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

139905744372 is a wasteful number, since it uses less digits than its factorization.

139905744372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143935970 (or 143935956 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 139905744372 in words is "one hundred thirty-nine billion, nine hundred five million, seven hundred forty-four thousand, three hundred seventy-two".