139794672 has 40 divisors (see below), whose sum is σ = 382381776. Its totient is φ = 43856896.

The previous prime is 139794671. The next prime is 139794679. The reversal of 139794672 is 276497931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139794671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84843 + ... + 86474.

Almost surely, 2^139794672 is an apocalyptic number.

139794672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139794672 is an abundant number, since it is smaller than the sum of its proper divisors (242587104).

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

139794672 is a wasteful number, since it uses less digits than its factorization.

139794672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171345 (or 171339 counting only the distinct ones).

The product of its digits is 571536, while the sum is 48.

The square root of 139794672 is about 11823.4796908524. The cubic root of 139794672 is about 518.9954373098.

It can be divided in two parts, 1397 and 94672, that added together give a palindrome (96069).

The spelling of 139794672 in words is "one hundred thirty-nine million, seven hundred ninety-four thousand, six hundred seventy-two".