214137191069 has 8 divisors (see below), whose sum is σ = 226748578680. Its totient is φ = 201527479296.

The previous prime is 214137191039. The next prime is 214137191083. The reversal of 214137191069 is 960191731412.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2895838969 + 211241352100 = 53813^2 + 459610^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 214137191069 - 2³⁶ = 145417714333 is a prime.

It is a super-2 number, since 2×214137191069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214137191029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150974 + ... + 671615.

It is an arithmetic number, because the mean of its divisors is an integer number (28343572335).

Almost surely, 2^214137191069 is an apocalyptic number.

It is an amenable number.

214137191069 is a deficient number, since it is larger than the sum of its proper divisors (12611387611).

214137191069 is a wasteful number, since it uses less digits than its factorization.

214137191069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837919.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 214137191069 in words is "two hundred fourteen billion, one hundred thirty-seven million, one hundred ninety-one thousand, sixty-nine".