139800782 has 16 divisors (see below), whose sum is σ = 229191552. Its totient is φ = 63427320.

The previous prime is 139800769. The next prime is 139800797. The reversal of 139800782 is 287008931.

139800782 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6743 + ... + 18029.

It is an arithmetic number, because the mean of its divisors is an integer number (14324472).

Almost surely, 2^139800782 is an apocalyptic number.

139800782 is a deficient number, since it is larger than the sum of its proper divisors (89390770).

139800782 is a wasteful number, since it uses less digits than its factorization.

139800782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11863.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 139800782 is about 11823.7380722003. The cubic root of 139800782 is about 519.0029984370.

The spelling of 139800782 in words is "one hundred thirty-nine million, eight hundred thousand, seven hundred eighty-two".