1358690456 has 32 divisors (see below), whose sum is σ = 2839374000. Its totient is φ = 605730816.

The previous prime is 1358690453. The next prime is 1358690461. The reversal of 1358690456 is 6540968531.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1358690456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1358690453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260321 + ... + 265488.

Almost surely, 2^1358690456 is an apocalyptic number.

It is an amenable number.

1358690456 is an abundant number, since it is smaller than the sum of its proper divisors (1480683544).

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

1358690456 is a wasteful number, since it uses less digits than its factorization.

1358690456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525851 (or 525847 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 1358690456 is about 36860.4185543246. The cubic root of 1358690456 is about 1107.5759280221.

The spelling of 1358690456 in words is "one billion, three hundred fifty-eight million, six hundred ninety thousand, four hundred fifty-six".