140608290 has 64 divisors (see below), whose sum is σ = 344050560. Its totient is φ = 36771840.

The previous prime is 140608289. The next prime is 140608291. The reversal of 140608290 is 92806041.

140608290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140608289) and next prime (140608291).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (140608291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 613896 + ... + 614124.

It is an arithmetic number, because the mean of its divisors is an integer number (5375790).

Almost surely, 2^140608290 is an apocalyptic number.

140608290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140608290 is an abundant number, since it is smaller than the sum of its proper divisors (203442270).

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

140608290 is a wasteful number, since it uses less digits than its factorization.

140608290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 140608290 is about 11857.8366492375. The cubic root of 140608290 is about 520.0003574948. Note that the first 3 decimals are identical.

The spelling of 140608290 in words is "one hundred forty million, six hundred eight thousand, two hundred ninety".