834137213 has 16 divisors (see below), whose sum is σ = 1054381440. Its totient is φ = 642136896.

The previous prime is 834137209. The next prime is 834137219. The reversal of 834137213 is 312731438.

It is a cyclic number.

It is not a de Polignac number, because 834137213 - 2² = 834137209 is a prime.

It is a super-2 number, since 2×834137213² = 1391569780222814738, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 834137213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834137219) 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, 120503 + ... + 127236.

It is an arithmetic number, because the mean of its divisors is an integer number (65898840).

Almost surely, 2^834137213 is an apocalyptic number.

It is an amenable number.

834137213 is a deficient number, since it is larger than the sum of its proper divisors (220244227).

834137213 is a wasteful number, since it uses less digits than its factorization.

834137213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247796.

The product of its digits is 12096, while the sum is 32.

The square root of 834137213 is about 28881.4337074876. The cubic root of 834137213 is about 941.3385235258.

It can be divided in two parts, 8341 and 37213, that added together give a palindrome (45554).

The spelling of 834137213 in words is "eight hundred thirty-four million, one hundred thirty-seven thousand, two hundred thirteen".