140003430 has 32 divisors (see below), whose sum is σ = 384009984. Its totient is φ = 32000736.

The previous prime is 140003429. The next prime is 140003431. The reversal of 140003430 is 34300041.

It is an interprime number because it is at equal distance from previous prime (140003429) and next prime (140003431).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140003431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333132 + ... + 333551.

It is an arithmetic number, because the mean of its divisors is an integer number (12000312).

Almost surely, 2^140003430 is an apocalyptic number.

140003430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140003430 is an abundant number, since it is smaller than the sum of its proper divisors (244006554).

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

140003430 is a wasteful number, since it uses less digits than its factorization.

140003430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666700.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 140003430 is about 11832.3045092661. The cubic root of 140003430 is about 519.2536506873.

Adding to 140003430 its reverse (34300041), we get a palindrome (174303471).

The spelling of 140003430 in words is "one hundred forty million, three thousand, four hundred thirty".