140072430 has 32 divisors (see below), whose sum is σ = 337658400. Its totient is φ = 37187712.

The previous prime is 140072363. The next prime is 140072467. The reversal of 140072430 is 34270041.

It is a super-2 number, since 2×140072430² = 39240571292209800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140072397 and 140072406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3325 + ... + 17064.

It is an arithmetic number, because the mean of its divisors is an integer number (10551825).

Almost surely, 2^140072430 is an apocalyptic number.

140072430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140072430 is an abundant number, since it is smaller than the sum of its proper divisors (197585970).

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

140072430 is a wasteful number, since it uses less digits than its factorization.

140072430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20628.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 140072430 is about 11835.2198965630. The cubic root of 140072430 is about 519.3389405443.

The spelling of 140072430 in words is "one hundred forty million, seventy-two thousand, four hundred thirty".