190090743 has 16 divisors (see below), whose sum is σ = 260184960. Its totient is φ = 123402656.

The previous prime is 190090741. The next prime is 190090751. The reversal of 190090743 is 347090091.

It is a cyclic number.

It is not a de Polignac number, because 190090743 - 2¹ = 190090741 is a prime.

It is a super-2 number, since 2×190090743² = 72268981148584098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190090741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13921 + ... + 23957.

It is an arithmetic number, because the mean of its divisors is an integer number (16261560).

Almost surely, 2^190090743 is an apocalyptic number.

190090743 is a deficient number, since it is larger than the sum of its proper divisors (70094217).

190090743 is a wasteful number, since it uses less digits than its factorization.

190090743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10206.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 190090743 is about 13787.3399537402. The cubic root of 190090743 is about 574.9812147612.

The spelling of 190090743 in words is "one hundred ninety million, ninety thousand, seven hundred forty-three".