139794435 has 24 divisors (see below), whose sum is σ = 264339504. Its totient is φ = 67778880.

The previous prime is 139794427. The next prime is 139794439. The reversal of 139794435 is 534497931.

139794435 is a `hidden beast` number, since 139 + 79 + 443 + 5 = 666.

It is not a de Polignac number, because 139794435 - 2³ = 139794427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (139794439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140712 + ... + 141701.

It is an arithmetic number, because the mean of its divisors is an integer number (11014146).

Almost surely, 2^139794435 is an apocalyptic number.

139794435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139794435 is a deficient number, since it is larger than the sum of its proper divisors (124545069).

139794435 is a wasteful number, since it uses less digits than its factorization.

139794435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282435 (or 282432 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 139794435 is about 11823.4696684180. The cubic root of 139794435 is about 518.9951440177.

The spelling of 139794435 in words is "one hundred thirty-nine million, seven hundred ninety-four thousand, four hundred thirty-five".