213954074 has 4 divisors (see below), whose sum is σ = 320931114. Its totient is φ = 106977036.

The previous prime is 213954071. The next prime is 213954077. The reversal of 213954074 is 470459312.

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 (213954071) and next prime (213954077).

It can be written as a sum of positive squares in only one way, i.e., 148230625 + 65723449 = 12175^2 + 8107^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213954071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53488517 + ... + 53488520.

Almost surely, 2^213954074 is an apocalyptic number.

213954074 is a deficient number, since it is larger than the sum of its proper divisors (106977040).

213954074 is a wasteful number, since it uses less digits than its factorization.

213954074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106977039.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 213954074 is about 14627.1690357362. The cubic root of 213954074 is about 598.0996113002.

The spelling of 213954074 in words is "two hundred thirteen million, nine hundred fifty-four thousand, seventy-four".