140697433 has 4 divisors (see below), whose sum is σ = 142148020. Its totient is φ = 139246848.

The previous prime is 140697409. The next prime is 140697439. The reversal of 140697433 is 334796041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57577744 + 83119689 = 7588^2 + 9117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140697433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140697392 and 140697401.

It is not an unprimeable number, because it can be changed into a prime (140697439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725148 + ... + 725341.

It is an arithmetic number, because the mean of its divisors is an integer number (35537005).

Almost surely, 2^140697433 is an apocalyptic number.

It is an amenable number.

140697433 is a deficient number, since it is larger than the sum of its proper divisors (1450587).

140697433 is an equidigital number, since it uses as much as digits as its factorization.

140697433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450586.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 140697433 is about 11861.5948759010. The cubic root of 140697433 is about 520.1102244151.

The spelling of 140697433 in words is "one hundred forty million, six hundred ninety-seven thousand, four hundred thirty-three".