213154535 has 8 divisors (see below), whose sum is σ = 279038736. Its totient is φ = 155021440.

The previous prime is 213154523. The next prime is 213154549. The reversal of 213154535 is 535451312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213154535 - 2⁴ = 213154519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213154498 and 213154507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1937714 + ... + 1937823.

It is an arithmetic number, because the mean of its divisors is an integer number (34879842).

Almost surely, 2^213154535 is an apocalyptic number.

213154535 is a deficient number, since it is larger than the sum of its proper divisors (65884201).

213154535 is a wasteful number, since it uses less digits than its factorization.

213154535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3875553.

The product of its digits is 9000, while the sum is 29.

The square root of 213154535 is about 14599.8128412662. The cubic root of 213154535 is about 597.3536554459.

The spelling of 213154535 in words is "two hundred thirteen million, one hundred fifty-four thousand, five hundred thirty-five".