140657030 has 8 divisors (see below), whose sum is σ = 253182672. Its totient is φ = 56262808.

The previous prime is 140657009. The next prime is 140657039. The reversal of 140657030 is 30756041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140657039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7032842 + ... + 7032861.

It is an arithmetic number, because the mean of its divisors is an integer number (31647834).

Almost surely, 2^140657030 is an apocalyptic number.

140657030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140657030 is a deficient number, since it is larger than the sum of its proper divisors (112525642).

140657030 is a wasteful number, since it uses less digits than its factorization.

140657030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14065710.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 140657030 is about 11859.8916521189. The cubic root of 140657030 is about 520.0604342976.

The spelling of 140657030 in words is "one hundred forty million, six hundred fifty-seven thousand, thirty".