140066342 has 8 divisors (see below), whose sum is σ = 226261056. Its totient is φ = 64645992.

The previous prime is 140066327. The next prime is 140066371. The reversal of 140066342 is 243660041.

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

It is a super-2 number, since 2×140066342² = 39237160322521928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 5387167 = 140066342 / (1 + 4 + 0 + 0 + 6 + 6 + 3 + 4 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2693558 + ... + 2693609.

It is an arithmetic number, because the mean of its divisors is an integer number (28282632).

Almost surely, 2^140066342 is an apocalyptic number.

140066342 is a deficient number, since it is larger than the sum of its proper divisors (86194714).

140066342 is a wasteful number, since it uses less digits than its factorization.

140066342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5387182.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 140066342 is about 11834.9626953362. The cubic root of 140066342 is about 519.3314163863.

The spelling of 140066342 in words is "one hundred forty million, sixty-six thousand, three hundred forty-two".