213742355 has 8 divisors (see below), whose sum is σ = 256578000. Its totient is φ = 170935776.

The previous prime is 213742337. The next prime is 213742391. The reversal of 213742355 is 553247312.

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 213742355 - 2²⁶ = 146633491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15281 + ... + 25709.

It is an arithmetic number, because the mean of its divisors is an integer number (32072250).

Almost surely, 2^213742355 is an apocalyptic number.

213742355 is a deficient number, since it is larger than the sum of its proper divisors (42835645).

213742355 is a wasteful number, since it uses less digits than its factorization.

213742355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14533.

The product of its digits is 25200, while the sum is 32.

The square root of 213742355 is about 14619.9300613922. The cubic root of 213742355 is about 597.9022623381.

Adding to 213742355 its reverse (553247312), we get a palindrome (766989667).

The spelling of 213742355 in words is "two hundred thirteen million, seven hundred forty-two thousand, three hundred fifty-five".