190468213 has 4 divisors (see below), whose sum is σ = 205119628. Its totient is φ = 175816800.

The previous prime is 190468207. The next prime is 190468219. The reversal of 190468213 is 312864091.

190468213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (190468207) and next prime (190468219).

It can be written as a sum of positive squares in 2 ways, for example, as 88397604 + 102070609 = 9402^2 + 10103^2 .

It is a cyclic number.

It is not a de Polignac number, because 190468213 - 2¹³ = 190460021 is a prime.

It is a super-4 number, since 4×190468213⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190468219) 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, 7325688 + ... + 7325713.

It is an arithmetic number, because the mean of its divisors is an integer number (51279907).

Almost surely, 2^190468213 is an apocalyptic number.

190468213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

190468213 is a deficient number, since it is larger than the sum of its proper divisors (14651415).

190468213 is a wasteful number, since it uses less digits than its factorization.

190468213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14651414.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 190468213 is about 13801.0221722885. The cubic root of 190468213 is about 575.3615500576.

The spelling of 190468213 in words is "one hundred ninety million, four hundred sixty-eight thousand, two hundred thirteen".