139130474 has 8 divisors (see below), whose sum is σ = 238509408. Its totient is φ = 59627340.

The previous prime is 139130461. The next prime is 139130479. The reversal of 139130474 is 474031931.

139130474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 139130474.

It is not an unprimeable number, because it can be changed into a prime (139130479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4968932 + ... + 4968959.

It is an arithmetic number, because the mean of its divisors is an integer number (29813676).

Almost surely, 2^139130474 is an apocalyptic number.

139130474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

139130474 is a deficient number, since it is larger than the sum of its proper divisors (99378934).

139130474 is an equidigital number, since it uses as much as digits as its factorization.

139130474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9937900.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 139130474 is about 11795.3581547997. The cubic root of 139130474 is about 518.1721748432.

The spelling of 139130474 in words is "one hundred thirty-nine million, one hundred thirty thousand, four hundred seventy-four".