140668034 has 8 divisors (see below), whose sum is σ = 227233020. Its totient is φ = 64923696.

The previous prime is 140668019. The next prime is 140668037. The reversal of 140668034 is 430866041.

It can be written as a sum of positive squares in 2 ways, for example, as 139310809 + 1357225 = 11803^2 + 1165^2 .

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

It is not an unprimeable number, because it can be changed into a prime (140668037) 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, 2705129 + ... + 2705180.

Almost surely, 2^140668034 is an apocalyptic number.

140668034 is a deficient number, since it is larger than the sum of its proper divisors (86564986).

140668034 is a wasteful number, since it uses less digits than its factorization.

140668034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410324.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 140668034 is about 11860.3555595943. The cubic root of 140668034 is about 520.0739958802.

The spelling of 140668034 in words is "one hundred forty million, six hundred sixty-eight thousand, thirty-four".