140036739 has 4 divisors (see below), whose sum is σ = 186715656. Its totient is φ = 93357824.

The previous prime is 140036693. The next prime is 140036761. The reversal of 140036739 is 937630041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140036739 - 2¹² = 140032643 is a prime.

It is a super-2 number, since 2×140036739² = 39220576539508242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140036339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23339454 + ... + 23339459.

It is an arithmetic number, because the mean of its divisors is an integer number (46678914).

Almost surely, 2^140036739 is an apocalyptic number.

140036739 is a deficient number, since it is larger than the sum of its proper divisors (46678917).

140036739 is an equidigital number, since it uses as much as digits as its factorization.

140036739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46678916.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 140036739 is about 11833.7119704681. The cubic root of 140036739 is about 519.2948269366.

The spelling of 140036739 in words is "one hundred forty million, thirty-six thousand, seven hundred thirty-nine".