1542138304 has 28 divisors (see below), whose sum is σ = 3497350384. Its totient is φ = 660916224.

The previous prime is 1542138251. The next prime is 1542138313. The reversal of 1542138304 is 4038312451.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

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, 1720689 + ... + 1721584.

Almost surely, 2^1542138304 is an apocalyptic number.

1542138304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1542138304 is an abundant number, since it is smaller than the sum of its proper divisors (1955212080).

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

1542138304 is an equidigital number, since it uses as much as digits as its factorization.

1542138304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442292 (or 3442282 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1542138304 is about 39270.0688056438. The cubic root of 1542138304 is about 1155.3345866986.

The spelling of 1542138304 in words is "one billion, five hundred forty-two million, one hundred thirty-eight thousand, three hundred four".