190340431 has 8 divisors (see below), whose sum is σ = 194196240. Its totient is φ = 186505728.

The previous prime is 190340429. The next prime is 190340441. The reversal of 190340431 is 134043091.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 190340431 - 2¹ = 190340429 is a prime.

It is a super-2 number, since 2×190340431² = 72458959346531522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190340396 and 190340405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190340441) 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, 13615 + ... + 23791.

It is an arithmetic number, because the mean of its divisors is an integer number (24274530).

Almost surely, 2^190340431 is an apocalyptic number.

190340431 is a deficient number, since it is larger than the sum of its proper divisors (3855809).

190340431 is a wasteful number, since it uses less digits than its factorization.

190340431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10553.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 190340431 is about 13796.3919558702. The cubic root of 190340431 is about 575.2328543978.

The spelling of 190340431 in words is "one hundred ninety million, three hundred forty thousand, four hundred thirty-one".