6139040494 has 8 divisors (see below), whose sum is σ = 9208902528. Its totient is φ = 3069406320.

The previous prime is 6139040491. The next prime is 6139040497. The reversal of 6139040494 is 4940409316.

It is an interprime number because it is at equal distance from previous prime (6139040491) and next prime (6139040497).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6139040491) 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, 52339 + ... + 122545.

It is an arithmetic number, because the mean of its divisors is an integer number (1151112816).

Almost surely, 2^6139040494 is an apocalyptic number.

6139040494 is a deficient number, since it is larger than the sum of its proper divisors (3069862034).

6139040494 is a wasteful number, since it uses less digits than its factorization.

6139040494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113930.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 6139040494 is about 78352.0292908869. The cubic root of 6139040494 is about 1831.0498414351.

The spelling of 6139040494 in words is "six billion, one hundred thirty-nine million, forty thousand, four hundred ninety-four".