1912540234 has 8 divisors (see below), whose sum is σ = 3129611328. Its totient is φ = 869336460.

The previous prime is 1912540211. The next prime is 1912540237. The reversal of 1912540234 is 4320452191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1912540196 and 1912540205.

It is not an unprimeable number, because it can be changed into a prime (1912540237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43466802 + ... + 43466845.

It is an arithmetic number, because the mean of its divisors is an integer number (391201416).

Almost surely, 2^1912540234 is an apocalyptic number.

1912540234 is a deficient number, since it is larger than the sum of its proper divisors (1217071094).

1912540234 is a wasteful number, since it uses less digits than its factorization.

1912540234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86933660.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1912540234 is about 43732.5992138588. The cubic root of 1912540234 is about 1241.2812446215.

The spelling of 1912540234 in words is "one billion, nine hundred twelve million, five hundred forty thousand, two hundred thirty-four".