140947241 has 4 divisors (see below), whose sum is σ = 141812112. Its totient is φ = 140082372.

The previous prime is 140947231. The next prime is 140947259. The reversal of 140947241 is 142749041.

140947241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 140947241 - 2¹⁴ = 140930857 is a prime.

It is a super-2 number, since 2×140947241² = 39732249491024162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140947198 and 140947207.

It is not an unprimeable number, because it can be changed into a prime (140947201) 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, 432191 + ... + 432516.

It is an arithmetic number, because the mean of its divisors is an integer number (35453028).

Almost surely, 2^140947241 is an apocalyptic number.

It is an amenable number.

140947241 is a deficient number, since it is larger than the sum of its proper divisors (864871).

140947241 is an equidigital number, since it uses as much as digits as its factorization.

140947241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864870.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 140947241 is about 11872.1203245250. The cubic root of 140947241 is about 520.4178606254.

The spelling of 140947241 in words is "one hundred forty million, nine hundred forty-seven thousand, two hundred forty-one".