139430062 has 8 divisors (see below), whose sum is σ = 209202192. Its totient is φ = 69696000.

The previous prime is 139430051. The next prime is 139430087. The reversal of 139430062 is 260034931.

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 139430062.

It is a congruent number.

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, 2862 + ... + 16942.

It is an arithmetic number, because the mean of its divisors is an integer number (26150274).

Almost surely, 2^139430062 is an apocalyptic number.

139430062 is a deficient number, since it is larger than the sum of its proper divisors (69772130).

139430062 is a wasteful number, since it uses less digits than its factorization.

139430062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19034.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 139430062 is about 11808.0507282108. The cubic root of 139430062 is about 518.5438328751.

Adding to 139430062 its reverse (260034931), we get a palindrome (399464993).

The spelling of 139430062 in words is "one hundred thirty-nine million, four hundred thirty thousand, sixty-two".