140103290 has 16 divisors (see below), whose sum is σ = 267020712. Its totient is φ = 52744704.

The previous prime is 140103251. The next prime is 140103319. The reversal of 140103290 is 92301041.

It can be written as a sum of positive squares in 4 ways, for example, as 123054649 + 17048641 = 11093^2 + 4129^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411899 + ... + 412238.

Almost surely, 2^140103290 is an apocalyptic number.

140103290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140103290 is a deficient number, since it is larger than the sum of its proper divisors (126917422).

140103290 is a wasteful number, since it uses less digits than its factorization.

140103290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824161.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 140103290 is about 11836.5235605730. The cubic root of 140103290 is about 519.3770770590.

The spelling of 140103290 in words is "one hundred forty million, one hundred three thousand, two hundred ninety".