140374001 has 2 divisors, whose sum is σ = 140374002. Its totient is φ = 140374000.

The previous prime is 140373977. The next prime is 140374019. The reversal of 140374001 is 100473041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84198976 + 56175025 = 9176^2 + 7495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140374001 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (140374061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70187000 + 70187001.

It is an arithmetic number, because the mean of its divisors is an integer number (70187001).

Almost surely, 2^140374001 is an apocalyptic number.

It is an amenable number.

140374001 is a deficient number, since it is larger than the sum of its proper divisors (1).

140374001 is an equidigital number, since it uses as much as digits as its factorization.

140374001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 140374001 is about 11847.9534519680. The cubic root of 140374001 is about 519.7113795282.

The spelling of 140374001 in words is "one hundred forty million, three hundred seventy-four thousand, one".