1900013434 has 16 divisors (see below), whose sum is σ = 3110166720. Its totient is φ = 863349760.

The previous prime is 1900013411. The next prime is 1900013441. The reversal of 1900013434 is 4343100091.

It is a happy number.

It is a super-2 number, since 2×1900013434² = 7220102098760944712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1900013399 and 1900013408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60267 + ... + 86209.

It is an arithmetic number, because the mean of its divisors is an integer number (194385420).

Almost surely, 2^1900013434 is an apocalyptic number.

1900013434 is a deficient number, since it is larger than the sum of its proper divisors (1210153286).

1900013434 is a wasteful number, since it uses less digits than its factorization.

1900013434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29285.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1900013434 is about 43589.1435336828. The cubic root of 1900013434 is about 1238.5652487191.

The spelling of 1900013434 in words is "one billion, nine hundred million, thirteen thousand, four hundred thirty-four".