201537340 has 24 divisors (see below), whose sum is σ = 429548112. Its totient is φ = 79411200.

The previous prime is 201537299. The next prime is 201537341. The reversal of 201537340 is 43735102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201537341) 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, 73861 + ... + 76540.

It is an arithmetic number, because the mean of its divisors is an integer number (17897838).

Almost surely, 2^201537340 is an apocalyptic number.

201537340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201537340 is an abundant number, since it is smaller than the sum of its proper divisors (228010772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201537340 is a wasteful number, since it uses less digits than its factorization.

201537340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150477 (or 150475 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 201537340 is about 14196.3847510555. The cubic root of 201537340 is about 586.2981278389.

The spelling of 201537340 in words is "two hundred one million, five hundred thirty-seven thousand, three hundred forty".