140774141 has 4 divisors (see below), whose sum is σ = 140911452. Its totient is φ = 140636832.

The previous prime is 140774111. The next prime is 140774143. The reversal of 140774141 is 141477041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126112900 + 14661241 = 11230^2 + 3829^2 .

It is a cyclic number.

It is not a de Polignac number, because 140774141 - 2²² = 136579837 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 (140774143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67106 + ... + 69171.

It is an arithmetic number, because the mean of its divisors is an integer number (35227863).

Almost surely, 2^140774141 is an apocalyptic number.

It is an amenable number.

140774141 is a deficient number, since it is larger than the sum of its proper divisors (137311).

140774141 is a wasteful number, since it uses less digits than its factorization.

140774141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137310.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 140774141 is about 11864.8278959284. The cubic root of 140774141 is about 520.2047283112.

The spelling of 140774141 in words is "one hundred forty million, seven hundred seventy-four thousand, one hundred forty-one".