140418451 has 2 divisors, whose sum is σ = 140418452. Its totient is φ = 140418450.

The previous prime is 140418431. The next prime is 140418457. The reversal of 140418451 is 154814041.

It is a strong prime.

It is an emirp because it is prime and its reverse (154814041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140418451 - 2¹⁵ = 140385683 is a prime.

It is not a weakly prime, because it can be changed into another prime (140418457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70209225 + 70209226.

It is an arithmetic number, because the mean of its divisors is an integer number (70209226).

Almost surely, 2^140418451 is an apocalyptic number.

140418451 is a deficient number, since it is larger than the sum of its proper divisors (1).

140418451 is an equidigital number, since it uses as much as digits as its factorization.

140418451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 140418451 is about 11849.8291548866. The cubic root of 140418451 is about 519.7662299818.

The spelling of 140418451 in words is "one hundred forty million, four hundred eighteen thousand, four hundred fifty-one".