1293745494 has 8 divisors (see below), whose sum is σ = 2587491000. Its totient is φ = 431248496.

The previous prime is 1293745489. The next prime is 1293745499. The reversal of 1293745494 is 4945473921.

It is an interprime number because it is at equal distance from previous prime (1293745489) and next prime (1293745499).

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

1293745494 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293745499) 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, 107812119 + ... + 107812130.

It is an arithmetic number, because the mean of its divisors is an integer number (323436375).

Almost surely, 2^1293745494 is an apocalyptic number.

1293745494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1293745494 is a wasteful number, since it uses less digits than its factorization.

1293745494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215624254.

The product of its digits is 1088640, while the sum is 48.

The square root of 1293745494 is about 35968.6737870609. The cubic root of 1293745494 is about 1089.6397805285.

The spelling of 1293745494 in words is "one billion, two hundred ninety-three million, seven hundred forty-five thousand, four hundred ninety-four".