214149507 has 16 divisors (see below), whose sum is σ = 335451648. Its totient is φ = 119803680.

The previous prime is 214149473. The next prime is 214149547. The reversal of 214149507 is 705941412.

It is a happy number.

It is not a de Polignac number, because 214149507 - 2¹⁰ = 214148483 is a prime.

It is a super-2 number, since 2×214149507² = 91720022696686098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (214149547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249163 + ... + 250020.

It is an arithmetic number, because the mean of its divisors is an integer number (20965728).

Almost surely, 2^214149507 is an apocalyptic number.

214149507 is a deficient number, since it is larger than the sum of its proper divisors (121302141).

214149507 is a wasteful number, since it uses less digits than its factorization.

214149507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499210.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 214149507 is about 14633.8479901904. The cubic root of 214149507 is about 598.2816641231.

The spelling of 214149507 in words is "two hundred fourteen million, one hundred forty-nine thousand, five hundred seven".