140353501 has 2 divisors, whose sum is σ = 140353502. Its totient is φ = 140353500.

The previous prime is 140353489. The next prime is 140353511. The reversal of 140353501 is 105353041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87048900 + 53304601 = 9330^2 + 7301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140353501 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 (140353511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70176750 + 70176751.

It is an arithmetic number, because the mean of its divisors is an integer number (70176751).

Almost surely, 2^140353501 is an apocalyptic number.

It is an amenable number.

140353501 is a deficient number, since it is larger than the sum of its proper divisors (1).

140353501 is an equidigital number, since it uses as much as digits as its factorization.

140353501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 140353501 is about 11847.0882920657. The cubic root of 140353501 is about 519.6860790170.

The spelling of 140353501 in words is "one hundred forty million, three hundred fifty-three thousand, five hundred one".