140834430 has 64 divisors (see below), whose sum is σ = 409708800. Its totient is φ = 34140960.

The previous prime is 140834429. The next prime is 140834453. The reversal of 140834430 is 34438041.

140834430 is a `hidden beast` number, since 140 + 83 + 443 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 140834394 and 140834403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20740 + ... + 26679.

It is an arithmetic number, because the mean of its divisors is an integer number (6401700).

Almost surely, 2^140834430 is an apocalyptic number.

140834430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140834430 is an abundant number, since it is smaller than the sum of its proper divisors (268874370).

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

140834430 is a wasteful number, since it uses less digits than its factorization.

140834430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47446 (or 47440 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 140834430 is about 11867.3682845018. The cubic root of 140834430 is about 520.2789799849.

The spelling of 140834430 in words is "one hundred forty million, eight hundred thirty-four thousand, four hundred thirty".