1853137442 has 16 divisors (see below), whose sum is σ = 2995399680. Its totient is φ = 854759952.

The previous prime is 1853137423. The next prime is 1853137459. The reversal of 1853137442 is 2447313581.

It is a junction number, because it is equal to n+sod(n) for n = 1853137396 and 1853137405.

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, 21809 + ... + 64667.

It is an arithmetic number, because the mean of its divisors is an integer number (187212480).

Almost surely, 2^1853137442 is an apocalyptic number.

1853137442 is a deficient number, since it is larger than the sum of its proper divisors (1142262238).

1853137442 is a wasteful number, since it uses less digits than its factorization.

1853137442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44537.

The product of its digits is 80640, while the sum is 38.

The square root of 1853137442 is about 43048.0829073723. The cubic root of 1853137442 is about 1228.2946030896.

The spelling of 1853137442 in words is "one billion, eight hundred fifty-three million, one hundred thirty-seven thousand, four hundred forty-two".