1394036452 has 12 divisors (see below), whose sum is σ = 2442512380. Its totient is φ = 696175776.

The previous prime is 1394036443. The next prime is 1394036461. The reversal of 1394036452 is 2546304931.

It is an interprime number because it is at equal distance from previous prime (1394036443) and next prime (1394036461).

It can be written as a sum of positive squares in 2 ways, for example, as 348419556 + 1045616896 = 18666^2 + 32336^2 .

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, 206883 + ... + 213514.

Almost surely, 2^1394036452 is an apocalyptic number.

It is an amenable number.

1394036452 is a deficient number, since it is larger than the sum of its proper divisors (1048475928).

1394036452 is a wasteful number, since it uses less digits than its factorization.

1394036452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421230 (or 421228 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 1394036452 is about 37336.7975595123. The cubic root of 1394036452 is about 1117.0982634409.

The spelling of 1394036452 in words is "one billion, three hundred ninety-four million, thirty-six thousand, four hundred fifty-two".