914139193 has 8 divisors (see below), whose sum is σ = 1020434976. Its totient is φ = 811708800.

The previous prime is 914139167. The next prime is 914139221. The reversal of 914139193 is 391931419.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-914139193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (914139103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965848 + ... + 966793.

It is an arithmetic number, because the mean of its divisors is an integer number (127554372).

Almost surely, 2^914139193 is an apocalyptic number.

It is an amenable number.

914139193 is a deficient number, since it is larger than the sum of its proper divisors (106295783).

914139193 is a wasteful number, since it uses less digits than its factorization.

914139193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932695.

The product of its digits is 26244, while the sum is 40.

The square root of 914139193 is about 30234.7348756360. The cubic root of 914139193 is about 970.5191513665.

The spelling of 914139193 in words is "nine hundred fourteen million, one hundred thirty-nine thousand, one hundred ninety-three".