134021837 has 4 divisors (see below), whose sum is σ = 134107356. Its totient is φ = 133936320.

The previous prime is 134021827. The next prime is 134021857. The reversal of 134021837 is 738120431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 88472836 + 45549001 = 9406^2 + 6749^2 .

It is a cyclic number.

It is not a de Polignac number, because 134021837 - 2²⁰ = 132973261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134021827) 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, 40364 + ... + 43557.

It is an arithmetic number, because the mean of its divisors is an integer number (33526839).

Almost surely, 2^134021837 is an apocalyptic number.

It is an amenable number.

134021837 is a deficient number, since it is larger than the sum of its proper divisors (85519).

134021837 is an equidigital number, since it uses as much as digits as its factorization.

134021837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85518.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 134021837 is about 11576.7800791066. The cubic root of 134021837 is about 511.7507904327.

The spelling of 134021837 in words is "one hundred thirty-four million, twenty-one thousand, eight hundred thirty-seven".