140936651 has 8 divisors (see below), whose sum is σ = 143576160. Its totient is φ = 138321792.

The previous prime is 140936611. The next prime is 140936717. The reversal of 140936651 is 156639041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140936651 is a prime.

It is a super-3 number, since 3×140936651³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140936611) 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 7 ways as a sum of consecutive naturals, for example, 5585 + ... + 17693.

It is an arithmetic number, because the mean of its divisors is an integer number (17947020).

Almost surely, 2^140936651 is an apocalyptic number.

140936651 is a deficient number, since it is larger than the sum of its proper divisors (2639509).

140936651 is a wasteful number, since it uses less digits than its factorization.

140936651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12325.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 140936651 is about 11871.6743132551. The cubic root of 140936651 is about 520.4048265210.

The spelling of 140936651 in words is "one hundred forty million, nine hundred thirty-six thousand, six hundred fifty-one".