200134531 has 4 divisors (see below), whose sum is σ = 201291552. Its totient is φ = 198977512.

The previous prime is 200134483. The next prime is 200134547. The reversal of 200134531 is 135431002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200134531 - 2¹⁵ = 200101763 is a prime.

It is a super-2 number, since 2×200134531² = 80107660997179922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200134499 and 200134508.

It is not an unprimeable number, because it can be changed into a prime (200734531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578251 + ... + 578596.

It is an arithmetic number, because the mean of its divisors is an integer number (50322888).

Almost surely, 2^200134531 is an apocalyptic number.

200134531 is a deficient number, since it is larger than the sum of its proper divisors (1157021).

200134531 is a wasteful number, since it uses less digits than its factorization.

200134531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157020.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 200134531 is about 14146.8912132666. The cubic root of 200134531 is about 584.9346419300.

Adding to 200134531 its reverse (135431002), we get a palindrome (335565533).

The spelling of 200134531 in words is "two hundred million, one hundred thirty-four thousand, five hundred thirty-one".