213011734 has 32 divisors (see below), whose sum is σ = 365402016. Its totient is φ = 92259840.

The previous prime is 213011731. The next prime is 213011749. The reversal of 213011734 is 437110312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213011731) 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, 259044 + ... + 259864.

It is an arithmetic number, because the mean of its divisors is an integer number (11418813).

Almost surely, 2^213011734 is an apocalyptic number.

213011734 is a deficient number, since it is larger than the sum of its proper divisors (152390282).

213011734 is a wasteful number, since it uses less digits than its factorization.

213011734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 213011734 is about 14594.9215140062. The cubic root of 213011734 is about 597.2202283751.

The spelling of 213011734 in words is "two hundred thirteen million, eleven thousand, seven hundred thirty-four".