140293226 has 32 divisors (see below), whose sum is σ = 231336000. Its totient is φ = 63573120.

The previous prime is 140293211. The next prime is 140293253. The reversal of 140293226 is 622392041.

It is a super-2 number, since 2×140293226² = 39364378522974152, which contains 22 as substring.

It is an unprimeable number.

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, 81725 + ... + 83423.

It is an arithmetic number, because the mean of its divisors is an integer number (7229250).

Almost surely, 2^140293226 is an apocalyptic number.

140293226 is a deficient number, since it is larger than the sum of its proper divisors (91042774).

140293226 is a wasteful number, since it uses less digits than its factorization.

140293226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 140293226 is about 11844.5441448795. The cubic root of 140293226 is about 519.6116750695.

The spelling of 140293226 in words is "one hundred forty million, two hundred ninety-three thousand, two hundred twenty-six".