140770346 has 8 divisors (see below), whose sum is σ = 211217220. Its totient is φ = 70364608.

The previous prime is 140770309. The next prime is 140770361. The reversal of 140770346 is 643077041.

It is a happy number.

140770346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 140683321 + 87025 = 11861^2 + 295^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560 + ... + 16788.

Almost surely, 2^140770346 is an apocalyptic number.

140770346 is a deficient number, since it is larger than the sum of its proper divisors (70446874).

140770346 is a wasteful number, since it uses less digits than its factorization.

140770346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20568.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 140770346 is about 11864.6679683841. The cubic root of 140770346 is about 520.2000536964.

The spelling of 140770346 in words is "one hundred forty million, seven hundred seventy thousand, three hundred forty-six".