140252137 has 8 divisors (see below), whose sum is σ = 147470400. Its totient is φ = 133127280.

The previous prime is 140252117. The next prime is 140252143. The reversal of 140252137 is 731252041.

It is a happy number.

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-140252137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140252107) 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, 20262 + ... + 26287.

It is an arithmetic number, because the mean of its divisors is an integer number (18433800).

Almost surely, 2^140252137 is an apocalyptic number.

It is an amenable number.

140252137 is a deficient number, since it is larger than the sum of its proper divisors (7218263).

140252137 is a wasteful number, since it uses less digits than its factorization.

140252137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46703.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 140252137 is about 11842.8095061940. The cubic root of 140252137 is about 519.5609422594.

The spelling of 140252137 in words is "one hundred forty million, two hundred fifty-two thousand, one hundred thirty-seven".