2140257019 has 16 divisors (see below), whose sum is σ = 2334597120. Its totient is φ = 1956034080.

The previous prime is 2140256981. The next prime is 2140257023. The reversal of 2140257019 is 9107520412.

It is not a de Polignac number, because 2140257019 - 2⁹ = 2140256507 is a prime.

It is a super-2 number, since 2×2140257019² = 9161400214757532722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140257029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37329 + ... + 75325.

It is an arithmetic number, because the mean of its divisors is an integer number (145912320).

Almost surely, 2^2140257019 is an apocalyptic number.

2140257019 is a deficient number, since it is larger than the sum of its proper divisors (194340101).

2140257019 is a wasteful number, since it uses less digits than its factorization.

2140257019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38130.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 2140257019 is about 46262.9119165666. The cubic root of 2140257019 is about 1288.7103307855.

The spelling of 2140257019 in words is "two billion, one hundred forty million, two hundred fifty-seven thousand, nineteen".