1393954334 has 4 divisors (see below), whose sum is σ = 2090931504. Its totient is φ = 696977166.

The previous prime is 1393954333. The next prime is 1393954337. The reversal of 1393954334 is 4334593931.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393954333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348488582 + ... + 348488585.

It is an arithmetic number, because the mean of its divisors is an integer number (522732876).

Almost surely, 2^1393954334 is an apocalyptic number.

1393954334 is a deficient number, since it is larger than the sum of its proper divisors (696977170).

1393954334 is an equidigital number, since it uses as much as digits as its factorization.

1393954334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696977169.

The product of its digits is 524880, while the sum is 44.

The square root of 1393954334 is about 37335.6978507165. The cubic root of 1393954334 is about 1117.0763281760.

The spelling of 1393954334 in words is "one billion, three hundred ninety-three million, nine hundred fifty-four thousand, three hundred thirty-four".