140302134 has 24 divisors (see below), whose sum is σ = 347415120. Its totient is φ = 40086288.

The previous prime is 140302109. The next prime is 140302147. The reversal of 140302134 is 431203041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 556629 + ... + 556880.

It is an arithmetic number, because the mean of its divisors is an integer number (14475630).

Almost surely, 2^140302134 is an apocalyptic number.

140302134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140302134 is an abundant number, since it is smaller than the sum of its proper divisors (207112986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140302134 is a wasteful number, since it uses less digits than its factorization.

140302134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113524 (or 1113521 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140302134 is about 11844.9201770210. The cubic root of 140302134 is about 519.6226725186.

Adding to 140302134 its reverse (431203041), we get a palindrome (571505175).

The spelling of 140302134 in words is "one hundred forty million, three hundred two thousand, one hundred thirty-four".