139783754 has 16 divisors (see below), whose sum is σ = 230277600. Its totient is φ = 63110160.

The previous prime is 139783751. The next prime is 139783771. The reversal of 139783754 is 457387931.

It is a junction number, because it is equal to n+sod(n) for n = 139783699 and 139783708.

It is not an unprimeable number, because it can be changed into a prime (139783751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18044 + ... + 24599.

It is an arithmetic number, because the mean of its divisors is an integer number (14392350).

Almost surely, 2^139783754 is an apocalyptic number.

139783754 is a deficient number, since it is larger than the sum of its proper divisors (90493846).

139783754 is a wasteful number, since it uses less digits than its factorization.

139783754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42805.

The product of its digits is 635040, while the sum is 47.

The square root of 139783754 is about 11823.0179734279. The cubic root of 139783754 is about 518.9819257321.

The spelling of 139783754 in words is "one hundred thirty-nine million, seven hundred eighty-three thousand, seven hundred fifty-four".