140037329 has 4 divisors (see below), whose sum is σ = 140152320. Its totient is φ = 139922340.

The previous prime is 140037301. The next prime is 140037343. The reversal of 140037329 is 923730041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140037329 is a prime.

It is a super-2 number, since 2×140037329² = 39220907026908482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140037389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55649 + ... + 58110.

It is an arithmetic number, because the mean of its divisors is an integer number (35038080).

Almost surely, 2^140037329 is an apocalyptic number.

It is an amenable number.

140037329 is a deficient number, since it is larger than the sum of its proper divisors (114991).

140037329 is a wasteful number, since it uses less digits than its factorization.

140037329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114990.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 140037329 is about 11833.7368992216. The cubic root of 140037329 is about 519.2955562298.

The spelling of 140037329 in words is "one hundred forty million, thirty-seven thousand, three hundred twenty-nine".