140479951 has 2 divisors, whose sum is σ = 140479952. Its totient is φ = 140479950.

The previous prime is 140479903. The next prime is 140480023. The reversal of 140479951 is 159974041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140479951 - 2¹³ = 140471759 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 (140479051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70239975 + 70239976.

It is an arithmetic number, because the mean of its divisors is an integer number (70239976).

Almost surely, 2^140479951 is an apocalyptic number.

140479951 is a deficient number, since it is larger than the sum of its proper divisors (1).

140479951 is an equidigital number, since it uses as much as digits as its factorization.

140479951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 140479951 is about 11852.4238449357. The cubic root of 140479951 is about 519.8421007270.

The spelling of 140479951 in words is "one hundred forty million, four hundred seventy-nine thousand, nine hundred fifty-one".