140420337 has 16 divisors (see below), whose sum is σ = 188876160. Its totient is φ = 92793600.

The previous prime is 140420333. The next prime is 140420363. The reversal of 140420337 is 733024041.

140420337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140420337 - 2² = 140420333 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140420333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259287 + ... + 259827.

It is an arithmetic number, because the mean of its divisors is an integer number (11804760).

Almost surely, 2^140420337 is an apocalyptic number.

It is an amenable number.

140420337 is a deficient number, since it is larger than the sum of its proper divisors (48455823).

140420337 is a wasteful number, since it uses less digits than its factorization.

140420337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 140420337 is about 11849.9087338258. The cubic root of 140420337 is about 519.7685570139.

Adding to 140420337 its reverse (733024041), we get a palindrome (873444378).

The spelling of 140420337 in words is "one hundred forty million, four hundred twenty thousand, three hundred thirty-seven".