221352151134 has 16 divisors (see below), whose sum is σ = 442710745488. Its totient is φ = 73782976512.

The previous prime is 221352151109. The next prime is 221352151193. The reversal of 221352151134 is 431151253122.

It is a happy number.

It is a congruent number.

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, 257364 + ... + 713400.

It is an arithmetic number, because the mean of its divisors is an integer number (27669421593).

Almost surely, 2^221352151134 is an apocalyptic number.

221352151134 is an abundant number, since it is smaller than the sum of its proper divisors (221358594354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221352151134 is a wasteful number, since it uses less digits than its factorization.

221352151134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536939.

The product of its digits is 7200, while the sum is 30.

The spelling of 221352151134 in words is "two hundred twenty-one billion, three hundred fifty-two million, one hundred fifty-one thousand, one hundred thirty-four".