139787074 has 8 divisors (see below), whose sum is σ = 239635008. Its totient is φ = 59908740.

The previous prime is 139787059. The next prime is 139787099. The reversal of 139787074 is 470787931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4992382 + ... + 4992409.

It is an arithmetic number, because the mean of its divisors is an integer number (29954376).

Almost surely, 2^139787074 is an apocalyptic number.

139787074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

139787074 is a deficient number, since it is larger than the sum of its proper divisors (99847934).

139787074 is an equidigital number, since it uses as much as digits as its factorization.

139787074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9984800.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 139787074 is about 11823.1583766775. The cubic root of 139787074 is about 518.9860344746.

The spelling of 139787074 in words is "one hundred thirty-nine million, seven hundred eighty-seven thousand, seventy-four".