140002430 has 16 divisors (see below), whose sum is σ = 260694720. Its totient is φ = 54069792.

The previous prime is 140002409. The next prime is 140002483. The reversal of 140002430 is 34200041.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241094 + ... + 241673.

It is an arithmetic number, because the mean of its divisors is an integer number (16293420).

Almost surely, 2^140002430 is an apocalyptic number.

140002430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140002430 is a deficient number, since it is larger than the sum of its proper divisors (120692290).

140002430 is a wasteful number, since it uses less digits than its factorization.

140002430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482803.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 140002430 is about 11832.2622519956. The cubic root of 140002430 is about 519.2524143965.

Adding to 140002430 its reverse (34200041), we get a palindrome (174202471).

The spelling of 140002430 in words is "one hundred forty million, two thousand, four hundred thirty".