1539854364 has 12 divisors (see below), whose sum is σ = 3592993544. Its totient is φ = 513284784.

The previous prime is 1539854321. The next prime is 1539854369. The reversal of 1539854364 is 4634589351.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1539854369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64160587 + ... + 64160610.

Almost surely, 2^1539854364 is an apocalyptic number.

It is an amenable number.

1539854364 is an abundant number, since it is smaller than the sum of its proper divisors (2053139180).

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

1539854364 is a wasteful number, since it uses less digits than its factorization.

1539854364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128321204 (or 128321202 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 48.

The square root of 1539854364 is about 39240.9781223659. The cubic root of 1539854364 is about 1154.7639464375.

The spelling of 1539854364 in words is "one billion, five hundred thirty-nine million, eight hundred fifty-four thousand, three hundred sixty-four".