140436366 has 32 divisors (see below), whose sum is σ = 328466688. Its totient is φ = 39191040.

The previous prime is 140436347. The next prime is 140436407. The reversal of 140436366 is 663634041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37075 + ... + 40686.

It is an arithmetic number, because the mean of its divisors is an integer number (10264584).

Almost surely, 2^140436366 is an apocalyptic number.

140436366 is an abundant number, since it is smaller than the sum of its proper divisors (188030322).

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

140436366 is a wasteful number, since it uses less digits than its factorization.

140436366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77816.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 140436366 is about 11850.5850488489. The cubic root of 140436366 is about 519.7883334779.

The spelling of 140436366 in words is "one hundred forty million, four hundred thirty-six thousand, three hundred sixty-six".