1538914234 has 64 divisors (see below), whose sum is σ = 2872920960. Its totient is φ = 607806720.

The previous prime is 1538914217. The next prime is 1538914259. The reversal of 1538914234 is 4324198351.

It is a happy number.

It is a super-3 number, since 3×1538914234³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 939264 + ... + 940900.

It is an arithmetic number, because the mean of its divisors is an integer number (44889390).

Almost surely, 2^1538914234 is an apocalyptic number.

1538914234 is a deficient number, since it is larger than the sum of its proper divisors (1334006726).

1538914234 is a wasteful number, since it uses less digits than its factorization.

1538914234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855.

The product of its digits is 103680, while the sum is 40.

The square root of 1538914234 is about 39228.9973616456. The cubic root of 1538914234 is about 1154.5288919055.

The spelling of 1538914234 in words is "one billion, five hundred thirty-eight million, nine hundred fourteen thousand, two hundred thirty-four".