200137540 has 48 divisors (see below), whose sum is σ = 430239600. Its totient is φ = 78174720.

The previous prime is 200137537. The next prime is 200137547. The reversal of 200137540 is 45731002.

It can be written as a sum of positive squares in 8 ways, for example, as 2566404 + 197571136 = 1602^2 + 14056^2 .

It is not an unprimeable number, because it can be changed into a prime (200137547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369670 + ... + 370210.

It is an arithmetic number, because the mean of its divisors is an integer number (8963325).

Almost surely, 2^200137540 is an apocalyptic number.

200137540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200137540 is an abundant number, since it is smaller than the sum of its proper divisors (230102060).

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

200137540 is a wasteful number, since it uses less digits than its factorization.

200137540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 200137540 is about 14146.9975613202. The cubic root of 200137540 is about 584.9375733907.

Adding to 200137540 its reverse (45731002), we get a palindrome (245868542).

The spelling of 200137540 in words is "two hundred million, one hundred thirty-seven thousand, five hundred forty".