140743466 has 4 divisors (see below), whose sum is σ = 211115202. Its totient is φ = 70371732.

The previous prime is 140743457. The next prime is 140743501. The reversal of 140743466 is 664347041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 664347041 = 439 ⋅1513319.

It can be written as a sum of positive squares in only one way, i.e., 120538441 + 20205025 = 10979^2 + 4495^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35185865 + ... + 35185868.

Almost surely, 2^140743466 is an apocalyptic number.

140743466 is a deficient number, since it is larger than the sum of its proper divisors (70371736).

140743466 is an equidigital number, since it uses as much as digits as its factorization.

140743466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70371735.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 140743466 is about 11863.5351392407. The cubic root of 140743466 is about 520.1669409754.

The spelling of 140743466 in words is "one hundred forty million, seven hundred forty-three thousand, four hundred sixty-six".