190315093 has 2 divisors, whose sum is σ = 190315094. Its totient is φ = 190315092.

The previous prime is 190315063. The next prime is 190315117. The reversal of 190315093 is 390513091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167495364 + 22819729 = 12942^2 + 4777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190315093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190315063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95157546 + 95157547.

It is an arithmetic number, because the mean of its divisors is an integer number (95157547).

Almost surely, 2^190315093 is an apocalyptic number.

It is an amenable number.

190315093 is a deficient number, since it is larger than the sum of its proper divisors (1).

190315093 is an equidigital number, since it uses as much as digits as its factorization.

190315093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 190315093 is about 13795.4736417421. The cubic root of 190315093 is about 575.2073283850.

The spelling of 190315093 in words is "one hundred ninety million, three hundred fifteen thousand, ninety-three".