140451313 has 2 divisors, whose sum is σ = 140451314. Its totient is φ = 140451312.

The previous prime is 140451253. The next prime is 140451323. The reversal of 140451313 is 313154041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88510464 + 51940849 = 9408^2 + 7207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140451313 is a prime.

It is not a weakly prime, because it can be changed into another prime (140451323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70225656 + 70225657.

It is an arithmetic number, because the mean of its divisors is an integer number (70225657).

Almost surely, 2^140451313 is an apocalyptic number.

It is an amenable number.

140451313 is a deficient number, since it is larger than the sum of its proper divisors (1).

140451313 is an equidigital number, since it uses as much as digits as its factorization.

140451313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 140451313 is about 11851.2156760393. The cubic root of 140451313 is about 519.8067736223.

The spelling of 140451313 in words is "one hundred forty million, four hundred fifty-one thousand, three hundred thirteen".