140663274 has 32 divisors (see below), whose sum is σ = 284981760. Its totient is φ = 46282992.

The previous prime is 140663273. The next prime is 140663279. The reversal of 140663274 is 472366041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140663273) 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, 188947 + ... + 189689.

It is an arithmetic number, because the mean of its divisors is an integer number (8905680).

Almost surely, 2^140663274 is an apocalyptic number.

140663274 is an abundant number, since it is smaller than the sum of its proper divisors (144318486).

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

140663274 is a wasteful number, since it uses less digits than its factorization.

140663274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 140663274 is about 11860.1548893764. The cubic root of 140663274 is about 520.0681296335.

The spelling of 140663274 in words is "one hundred forty million, six hundred sixty-three thousand, two hundred seventy-four".