191401030 has 8 divisors (see below), whose sum is σ = 344521872. Its totient is φ = 76560408.

The previous prime is 191401013. The next prime is 191401031. The reversal of 191401030 is 30104191.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 191400989 and 191401007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191401031) 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, 9570042 + ... + 9570061.

It is an arithmetic number, because the mean of its divisors is an integer number (43065234).

Almost surely, 2^191401030 is an apocalyptic number.

191401030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

191401030 is a deficient number, since it is larger than the sum of its proper divisors (153120842).

191401030 is a wasteful number, since it uses less digits than its factorization.

191401030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19140110.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 191401030 is about 13834.7761095003. The cubic root of 191401030 is about 576.2992974986.

The spelling of 191401030 in words is "one hundred ninety-one million, four hundred one thousand, thirty".