140536342 has 4 divisors (see below), whose sum is σ = 210804516. Its totient is φ = 70268170.

The previous prime is 140536327. The next prime is 140536343. The reversal of 140536342 is 243635041.

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

It is a self number, because there is not a number n which added to its sum of digits gives 140536342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140536343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35134084 + ... + 35134087.

It is an arithmetic number, because the mean of its divisors is an integer number (52701129).

Almost surely, 2^140536342 is an apocalyptic number.

140536342 is a deficient number, since it is larger than the sum of its proper divisors (70268174).

140536342 is an equidigital number, since it uses as much as digits as its factorization.

140536342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70268173.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 140536342 is about 11854.8024867562. The cubic root of 140536342 is about 519.9116491908.

The spelling of 140536342 in words is "one hundred forty million, five hundred thirty-six thousand, three hundred forty-two".