140472837 has 6 divisors (see below), whose sum is σ = 202905222. Its totient is φ = 93648552.

The previous prime is 140472797. The next prime is 140472851. The reversal of 140472837 is 738274041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 90897156 + 49575681 = 9534^2 + 7041^2 .

It is not a de Polignac number, because 140472837 - 2¹⁰ = 140471813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140472877) 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 5 ways as a sum of consecutive naturals, for example, 7804038 + ... + 7804055.

It is an arithmetic number, because the mean of its divisors is an integer number (33817537).

Almost surely, 2^140472837 is an apocalyptic number.

It is an amenable number.

140472837 is a deficient number, since it is larger than the sum of its proper divisors (62432385).

140472837 is a wasteful number, since it uses less digits than its factorization.

140472837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15608099 (or 15608096 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 140472837 is about 11852.1237337449. The cubic root of 140472837 is about 519.8333255267.

The spelling of 140472837 in words is "one hundred forty million, four hundred seventy-two thousand, eight hundred thirty-seven".