1394526452 has 18 divisors (see below), whose sum is σ = 2682447474. Its totient is φ = 633875440.

The previous prime is 1394526449. The next prime is 1394526457. The reversal of 1394526452 is 2546254931.

It can be written as a sum of positive squares in only one way, i.e., 1393827556 + 698896 = 37334^2 + 836^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394526457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1440143 + ... + 1441110.

Almost surely, 2^1394526452 is an apocalyptic number.

It is an amenable number.

1394526452 is a deficient number, since it is larger than the sum of its proper divisors (1287921022).

1394526452 is a wasteful number, since it uses less digits than its factorization.

1394526452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881279 (or 2881266 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 1394526452 is about 37343.3588741024. The cubic root of 1394526452 is about 1117.2291337699.

The spelling of 1394526452 in words is "one billion, three hundred ninety-four million, five hundred twenty-six thousand, four hundred fifty-two".