140844049 has 8 divisors (see below), whose sum is σ = 146152512. Its totient is φ = 135628080.

The previous prime is 140844029. The next prime is 140844079. The reversal of 140844049 is 940448041.

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 140844049 - 2⁷ = 140843921 is a prime.

It is a super-2 number, since 2×140844049² = 39674092277428802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140844029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20014 + ... + 26119.

It is an arithmetic number, because the mean of its divisors is an integer number (18269064).

Almost surely, 2^140844049 is an apocalyptic number.

It is an amenable number.

140844049 is a deficient number, since it is larger than the sum of its proper divisors (5308463).

140844049 is an equidigital number, since it uses as much as digits as its factorization.

140844049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46247.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 140844049 is about 11867.7735485642. The cubic root of 140844049 is about 520.2908247437.

The spelling of 140844049 in words is "one hundred forty million, eight hundred forty-four thousand, forty-nine".