1974140159 has 8 divisors (see below), whose sum is σ = 1984938480. Its totient is φ = 1963368000.

The previous prime is 1974140111. The next prime is 1974140167. The reversal of 1974140159 is 9510414791.

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

It is a cyclic number.

It is not a de Polignac number, because 1974140159 - 2⁸ = 1974139903 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 (1974140359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155564 + ... + 167774.

It is an arithmetic number, because the mean of its divisors is an integer number (248117310).

Almost surely, 2^1974140159 is an apocalyptic number.

1974140159 is a deficient number, since it is larger than the sum of its proper divisors (10798321).

1974140159 is a wasteful number, since it uses less digits than its factorization.

1974140159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13081.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 1974140159 is about 44431.2970663698. The cubic root of 1974140159 is about 1254.4672498444.

The spelling of 1974140159 in words is "one billion, nine hundred seventy-four million, one hundred forty thousand, one hundred fifty-nine".