191939034 has 16 divisors (see below), whose sum is σ = 438717888. Its totient is φ = 54839712.

The previous prime is 191939029. The next prime is 191939039. The reversal of 191939034 is 430939191.

191939034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (191939029) and next prime (191939039).

It is a junction number, because it is equal to n+sod(n) for n = 191938983 and 191939001.

It is not an unprimeable number, because it can be changed into a prime (191939039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2284947 + ... + 2285030.

It is an arithmetic number, because the mean of its divisors is an integer number (27419868).

Almost surely, 2^191939034 is an apocalyptic number.

191939034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

191939034 is an abundant number, since it is smaller than the sum of its proper divisors (246778854).

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

191939034 is a wasteful number, since it uses less digits than its factorization.

191939034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569989.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 191939034 is about 13854.2063648554. The cubic root of 191939034 is about 576.8387604177.

The spelling of 191939034 in words is "one hundred ninety-one million, nine hundred thirty-nine thousand, thirty-four".