190767913 has 4 divisors (see below), whose sum is σ = 218020480. Its totient is φ = 163515348.

The previous prime is 190767883. The next prime is 190767917. The reversal of 190767913 is 319767091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 190767913 - 2¹³ = 190759721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190767913.

It is not an unprimeable number, because it can be changed into a prime (190767917) 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, 13626273 + ... + 13626286.

It is an arithmetic number, because the mean of its divisors is an integer number (54505120).

Almost surely, 2^190767913 is an apocalyptic number.

It is an amenable number.

190767913 is a deficient number, since it is larger than the sum of its proper divisors (27252567).

190767913 is an equidigital number, since it uses as much as digits as its factorization.

190767913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27252566.

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 190767913 is about 13811.8757958505. The cubic root of 190767913 is about 575.6631673034.

The spelling of 190767913 in words is "one hundred ninety million, seven hundred sixty-seven thousand, nine hundred thirteen".