190134542 has 8 divisors (see below), whose sum is σ = 307140456. Its totient is φ = 87754392.

The previous prime is 190134541. The next prime is 190134557. The reversal of 190134542 is 245431091.

190134542 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×190134542² = 72302288123099528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190134541) 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, 3656408 + ... + 3656459.

It is an arithmetic number, because the mean of its divisors is an integer number (38392557).

Almost surely, 2^190134542 is an apocalyptic number.

190134542 is a deficient number, since it is larger than the sum of its proper divisors (117005914).

190134542 is a wasteful number, since it uses less digits than its factorization.

190134542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7312882.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 190134542 is about 13788.9282397146. The cubic root of 190134542 is about 575.0253720373.

The spelling of 190134542 in words is "one hundred ninety million, one hundred thirty-four thousand, five hundred forty-two".