214540065137 has 4 divisors (see below), whose sum is σ = 223867894080. Its totient is φ = 205212236196.

The previous prime is 214540065101. The next prime is 214540065167. The reversal of 214540065137 is 731560045412.

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.

It is a cyclic number.

It is not a de Polignac number, because 214540065137 - 2⁸ = 214540064881 is a prime.

It is a super-4 number, since 4×214540065137⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214540065137.

It is not an unprimeable number, because it can be changed into a prime (214540065167) 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, 4663914437 + ... + 4663914482.

It is an arithmetic number, because the mean of its divisors is an integer number (55966973520).

Almost surely, 2^214540065137 is an apocalyptic number.

It is an amenable number.

214540065137 is a deficient number, since it is larger than the sum of its proper divisors (9327828943).

214540065137 is an equidigital number, since it uses as much as digits as its factorization.

214540065137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9327828942.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 214540065137 in words is "two hundred fourteen billion, five hundred forty million, sixty-five thousand, one hundred thirty-seven".