190917134 has 4 divisors (see below), whose sum is σ = 286375704. Its totient is φ = 95458566.

The previous prime is 190917131. The next prime is 190917143. The reversal of 190917134 is 431719091.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431719091 = 1307 ⋅330313.

It is a junction number, because it is equal to n+sod(n) for n = 190917094 and 190917103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190917131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47729282 + ... + 47729285.

It is an arithmetic number, because the mean of its divisors is an integer number (71593926).

Almost surely, 2^190917134 is an apocalyptic number.

190917134 is a deficient number, since it is larger than the sum of its proper divisors (95458570).

190917134 is an equidigital number, since it uses as much as digits as its factorization.

190917134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95458569.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 190917134 is about 13817.2766491809. The cubic root of 190917134 is about 575.8132251132.

The spelling of 190917134 in words is "one hundred ninety million, nine hundred seventeen thousand, one hundred thirty-four".