42140302 has 8 divisors (see below), whose sum is σ = 63241416. Its totient is φ = 21059832.

The previous prime is 42140281. The next prime is 42140303. The reversal of 42140302 is 20304124.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42140303) 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, 1848 + ... + 9364.

It is an arithmetic number, because the mean of its divisors is an integer number (7905177).

Almost surely, 2^42140302 is an apocalyptic number.

42140302 is a deficient number, since it is larger than the sum of its proper divisors (21101114).

42140302 is a wasteful number, since it uses less digits than its factorization.

42140302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10322.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 42140302 is about 6491.5562078750. The cubic root of 42140302 is about 347.9892926199.

Adding to 42140302 its reverse (20304124), we get a palindrome (62444426).

The spelling of 42140302 in words is "forty-two million, one hundred forty thousand, three hundred two".