140606230 has 32 divisors (see below), whose sum is σ = 256864608. Its totient is φ = 55411200.

The previous prime is 140606209. The next prime is 140606231. The reversal of 140606230 is 32606041.

It is a super-2 number, since 2×140606230² = 39540223829625800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140606231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236814 + ... + 237406.

It is an arithmetic number, because the mean of its divisors is an integer number (8027019).

Almost surely, 2^140606230 is an apocalyptic number.

140606230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140606230 is a deficient number, since it is larger than the sum of its proper divisors (116258378).

140606230 is a wasteful number, since it uses less digits than its factorization.

140606230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 140606230 is about 11857.7497865320. The cubic root of 140606230 is about 519.9978180382.

The spelling of 140606230 in words is "one hundred forty million, six hundred six thousand, two hundred thirty".