140034737 has 8 divisors (see below), whose sum is σ = 141549672. Its totient is φ = 138528000.

The previous prime is 140034733. The next prime is 140034749. The reversal of 140034737 is 737430041.

It can be written as a sum of positive squares in 4 ways, for example, as 18241441 + 121793296 = 4271^2 + 11036^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 140034737 - 2² = 140034733 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140034733) 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 7 ways as a sum of consecutive naturals, for example, 35987 + ... + 39687.

It is an arithmetic number, because the mean of its divisors is an integer number (17693709).

Almost surely, 2^140034737 is an apocalyptic number.

It is an amenable number.

140034737 is a deficient number, since it is larger than the sum of its proper divisors (1514935).

140034737 is a wasteful number, since it uses less digits than its factorization.

140034737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 140034737 is about 11833.6273813231. The cubic root of 140034737 is about 519.2923522688.

Adding to 140034737 its reverse (737430041), we get a palindrome (877464778).

The spelling of 140034737 in words is "one hundred forty million, thirty-four thousand, seven hundred thirty-seven".