191434652 has 12 divisors (see below), whose sum is σ = 352642920. Its totient is φ = 90679536.

The previous prime is 191434651. The next prime is 191434669. The reversal of 191434652 is 256434191.

It is a super-2 number, since 2×191434652² = 73294451972722208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191434651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259363 + ... + 1259514.

It is an arithmetic number, because the mean of its divisors is an integer number (29386910).

Almost surely, 2^191434652 is an apocalyptic number.

It is an amenable number.

191434652 is a deficient number, since it is larger than the sum of its proper divisors (161208268).

191434652 is a wasteful number, since it uses less digits than its factorization.

191434652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518900 (or 2518898 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 191434652 is about 13835.9911824199. The cubic root of 191434652 is about 576.3330402646. Note that the first 3 decimals are identical.

The spelling of 191434652 in words is "one hundred ninety-one million, four hundred thirty-four thousand, six hundred fifty-two".