344200137 has 4 divisors (see below), whose sum is σ = 458933520. Its totient is φ = 229466756.

The previous prime is 344200133. The next prime is 344200141. The reversal of 344200137 is 731002443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 731002443 = 3 ⋅243667481.

It is an interprime number because it is at equal distance from previous prime (344200133) and next prime (344200141).

It is a cyclic number.

It is not a de Polignac number, because 344200137 - 2² = 344200133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (344200133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57366687 + ... + 57366692.

It is an arithmetic number, because the mean of its divisors is an integer number (114733380).

Almost surely, 2^344200137 is an apocalyptic number.

It is an amenable number.

344200137 is a deficient number, since it is larger than the sum of its proper divisors (114733383).

344200137 is a wasteful number, since it uses less digits than its factorization.

344200137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114733382.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 344200137 is about 18552.6315384099. The cubic root of 344200137 is about 700.8154693729.

The spelling of 344200137 in words is "three hundred forty-four million, two hundred thousand, one hundred thirty-seven".