190012134 has 64 divisors (see below), whose sum is σ = 420585984. Its totient is φ = 56871936.

The previous prime is 190012129. The next prime is 190012139. The reversal of 190012134 is 431210091.

It is an interprime number because it is at equal distance from previous prime (190012129) and next prime (190012139).

It is a super-2 number, since 2×190012134² = 72209222134467912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 190012134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190012139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538102 + ... + 538454.

It is an arithmetic number, because the mean of its divisors is an integer number (6571656).

Almost surely, 2^190012134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190012134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210292992).

190012134 is an abundant number, since it is smaller than the sum of its proper divisors (230573850).

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

190012134 is a wasteful number, since it uses less digits than its factorization.

190012134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 190012134 is about 13784.4888915041. The cubic root of 190012134 is about 574.9019457247.

The spelling of 190012134 in words is "one hundred ninety million, twelve thousand, one hundred thirty-four".