140583049 has 4 divisors (see below), whose sum is σ = 140607360. Its totient is φ = 140558740.

The previous prime is 140583029. The next prime is 140583073. The reversal of 140583049 is 940385041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 940385041 = 149 ⋅6311309.

It is a cyclic number.

It is not a de Polignac number, because 140583049 - 2⁷ = 140582921 is a prime.

It is a super-2 number, since 2×140583049² = 39527187332272802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140583019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2064 + ... + 16894.

It is an arithmetic number, because the mean of its divisors is an integer number (35151840).

Almost surely, 2^140583049 is an apocalyptic number.

It is an amenable number.

140583049 is a deficient number, since it is larger than the sum of its proper divisors (24311).

140583049 is an equidigital number, since it uses as much as digits as its factorization.

140583049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24310.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 140583049 is about 11856.7722842264. The cubic root of 140583049 is about 519.9692400444.

The spelling of 140583049 in words is "one hundred forty million, five hundred eighty-three thousand, forty-nine".