1903134912 has 84 divisors (see below), whose sum is σ = 5857509240. Its totient is φ = 543750144.

The previous prime is 1903134911. The next prime is 1903134917. The reversal of 1903134912 is 2194313091.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (84).

It is not an unprimeable number, because it can be changed into a prime (1903134911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91737 + ... + 110552.

Almost surely, 2^1903134912 is an apocalyptic number.

1903134912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1903134912 is an abundant number, since it is smaller than the sum of its proper divisors (3954374328).

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

1903134912 is a wasteful number, since it uses less digits than its factorization.

1903134912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202318 (or 202301 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 1903134912 is about 43624.9345214408. The cubic root of 1903134912 is about 1239.2431454888.

The spelling of 1903134912 in words is "one billion, nine hundred three million, one hundred thirty-four thousand, nine hundred twelve".