140254501 has 2 divisors, whose sum is σ = 140254502. Its totient is φ = 140254500.

The previous prime is 140254463. The next prime is 140254511. The reversal of 140254501 is 105452041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116964225 + 23290276 = 10815^2 + 4826^2 .

It is a cyclic number.

It is not a de Polignac number, because 140254501 - 2²³ = 131865893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140254511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70127250 + 70127251.

It is an arithmetic number, because the mean of its divisors is an integer number (70127251).

Almost surely, 2^140254501 is an apocalyptic number.

It is an amenable number.

140254501 is a deficient number, since it is larger than the sum of its proper divisors (1).

140254501 is an equidigital number, since it uses as much as digits as its factorization.

140254501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 140254501 is about 11842.9093131713. The cubic root of 140254501 is about 519.5638613715.

The spelling of 140254501 in words is "one hundred forty million, two hundred fifty-four thousand, five hundred one".