140046497 has 2 divisors, whose sum is σ = 140046498. Its totient is φ = 140046496.

The previous prime is 140046463. The next prime is 140046541. The reversal of 140046497 is 794640041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136515856 + 3530641 = 11684^2 + 1879^2 .

It is a cyclic number.

It is not a de Polignac number, because 140046497 - 2¹² = 140042401 is a prime.

It is a super-2 number, since 2×140046497² = 39226042643942018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140046407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70023248 + 70023249.

It is an arithmetic number, because the mean of its divisors is an integer number (70023249).

Almost surely, 2^140046497 is an apocalyptic number.

It is an amenable number.

140046497 is a deficient number, since it is larger than the sum of its proper divisors (1).

140046497 is an equidigital number, since it uses as much as digits as its factorization.

140046497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 140046497 is about 11834.1242599527. The cubic root of 140046497 is about 519.3068884410.

The spelling of 140046497 in words is "one hundred forty million, forty-six thousand, four hundred ninety-seven".