140254936 has 8 divisors (see below), whose sum is σ = 262978020. Its totient is φ = 70127464.

The previous prime is 140254931. The next prime is 140254937. The reversal of 140254936 is 639452041.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140254931) 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 as a sum of consecutive naturals, namely, 8765926 + ... + 8765941.

Almost surely, 2^140254936 is an apocalyptic number.

It is an amenable number.

140254936 is a deficient number, since it is larger than the sum of its proper divisors (122723084).

140254936 is a wasteful number, since it uses less digits than its factorization.

140254936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17531873 (or 17531869 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 140254936 is about 11842.9276785768. The cubic root of 140254936 is about 519.5643985142.

The spelling of 140254936 in words is "one hundred forty million, two hundred fifty-four thousand, nine hundred thirty-six".