1830140901 has 6 divisors (see below), whose sum is σ = 2643536870. Its totient is φ = 1220093928.

The previous prime is 1830140887. The next prime is 1830140911. The reversal of 1830140901 is 1090410381.

It can be written as a sum of positive squares in only one way, i.e., 1630059876 + 200081025 = 40374^2 + 14145^2 .

It is not a de Polignac number, because 1830140901 - 2⁵ = 1830140869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830140911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101674486 + ... + 101674503.

Almost surely, 2^1830140901 is an apocalyptic number.

It is an amenable number.

1830140901 is a deficient number, since it is larger than the sum of its proper divisors (813395969).

1830140901 is a wasteful number, since it uses less digits than its factorization.

1830140901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203348995 (or 203348992 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1830140901 is about 42780.1461077449. The cubic root of 1830140901 is about 1223.1925923531.

The spelling of 1830140901 in words is "one billion, eight hundred thirty million, one hundred forty thousand, nine hundred one".