140051447 has 2 divisors, whose sum is σ = 140051448. Its totient is φ = 140051446.

The previous prime is 140051383. The next prime is 140051453. The reversal of 140051447 is 744150041.

140051447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140051447 - 2⁶ = 140051383 is a prime.

It is a super-4 number, since 4×140051447⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140051467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70025723 + 70025724.

It is an arithmetic number, because the mean of its divisors is an integer number (70025724).

Almost surely, 2^140051447 is an apocalyptic number.

140051447 is a deficient number, since it is larger than the sum of its proper divisors (1).

140051447 is an equidigital number, since it uses as much as digits as its factorization.

140051447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 140051447 is about 11834.3333990555. Note that the first 4 decimals coincide. The cubic root of 140051447 is about 519.3130067394.

The spelling of 140051447 in words is "one hundred forty million, fifty-one thousand, four hundred forty-seven".