202838134 has 8 divisors (see below), whose sum is σ = 304319088. Its totient is φ = 101398440.

The previous prime is 202838099. The next prime is 202838137. The reversal of 202838134 is 431838202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×202838134² = 82286617209203912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202838096 and 202838105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202838137) 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, 9904 + ... + 22444.

It is an arithmetic number, because the mean of its divisors is an integer number (38039886).

Almost surely, 2^202838134 is an apocalyptic number.

202838134 is a deficient number, since it is larger than the sum of its proper divisors (101480954).

202838134 is a wasteful number, since it uses less digits than its factorization.

202838134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20630.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 202838134 is about 14242.1253329691. The cubic root of 202838134 is about 587.5568162345.

The spelling of 202838134 in words is "two hundred two million, eight hundred thirty-eight thousand, one hundred thirty-four".