7139903042 has 8 divisors (see below), whose sum is σ = 10710255036. Its totient is φ = 3569818032.

The previous prime is 7139902993. The next prime is 7139903059. The reversal of 7139903042 is 2403099317.

It can be written as a sum of positive squares in 2 ways, for example, as 7111717561 + 28185481 = 84331^2 + 5309^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 7139902987 and 7139903005.

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, 25748 + ... + 122240.

Almost surely, 2^7139903042 is an apocalyptic number.

7139903042 is a deficient number, since it is larger than the sum of its proper divisors (3570351994).

7139903042 is a wasteful number, since it uses less digits than its factorization.

7139903042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133492.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 7139903042 is about 84497.9469691424. The cubic root of 7139903042 is about 1925.5912541034.

The spelling of 7139903042 in words is "seven billion, one hundred thirty-nine million, nine hundred three thousand, forty-two".