3491380138 has 8 divisors (see below), whose sum is σ = 5237489088. Its totient is φ = 1745550444.

The previous prime is 3491380121. The next prime is 3491380153. The reversal of 3491380138 is 8310831943.

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 3491380138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35106 + ... + 90637.

It is an arithmetic number, because the mean of its divisors is an integer number (654686136).

Almost surely, 2^3491380138 is an apocalyptic number.

3491380138 is a deficient number, since it is larger than the sum of its proper divisors (1746108950).

3491380138 is a wasteful number, since it uses less digits than its factorization.

3491380138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139628.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 3491380138 is about 59087.9017904681. The cubic root of 3491380138 is about 1517.0470337757.

The spelling of 3491380138 in words is "three billion, four hundred ninety-one million, three hundred eighty thousand, one hundred thirty-eight".