140313236 has 24 divisors (see below), whose sum is σ = 286599936. Its totient is φ = 58854240.

The previous prime is 140313211. The next prime is 140313247. The reversal of 140313236 is 632313041.

It is a congruent 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, 51995 + ... + 54626.

It is an arithmetic number, because the mean of its divisors is an integer number (11941664).

Almost surely, 2^140313236 is an apocalyptic number.

It is an amenable number.

140313236 is an abundant number, since it is smaller than the sum of its proper divisors (146286700).

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

140313236 is a wasteful number, since it uses less digits than its factorization.

140313236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106679 (or 106677 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 140313236 is about 11845.3888074643. The cubic root of 140313236 is about 519.6363779380.

Adding to 140313236 its reverse (632313041), we get a palindrome (772626277).

The spelling of 140313236 in words is "one hundred forty million, three hundred thirteen thousand, two hundred thirty-six".