1369421524 has 24 divisors (see below), whose sum is σ = 2424074688. Its totient is φ = 676856640.

The previous prime is 1369421507. The next prime is 1369421531. The reversal of 1369421524 is 4251249631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212104 + ... + 218464.

It is an arithmetic number, because the mean of its divisors is an integer number (101003112).

Almost surely, 2^1369421524 is an apocalyptic number.

It is an amenable number.

1369421524 is a deficient number, since it is larger than the sum of its proper divisors (1054653164).

1369421524 is a wasteful number, since it uses less digits than its factorization.

1369421524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975 (or 6973 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 1369421524 is about 37005.6958318581. The cubic root of 1369421524 is about 1110.4841985699.

The spelling of 1369421524 in words is "one billion, three hundred sixty-nine million, four hundred twenty-one thousand, five hundred twenty-four".