354134047 has 4 divisors (see below), whose sum is σ = 354173320. Its totient is φ = 354094776.

The previous prime is 354134041. The next prime is 354134057. The reversal of 354134047 is 740431453.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 354134047 - 2¹⁹ = 353609759 is a prime.

It is a super-3 number, since 3×354134047³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354134041) 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, 1408 + ... + 26650.

It is an arithmetic number, because the mean of its divisors is an integer number (88543330).

Almost surely, 2^354134047 is an apocalyptic number.

354134047 is a deficient number, since it is larger than the sum of its proper divisors (39273).

354134047 is a wasteful number, since it uses less digits than its factorization.

354134047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39272.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 354134047 is about 18818.4496439000. The cubic root of 354134047 is about 707.4936737313.

The spelling of 354134047 in words is "three hundred fifty-four million, one hundred thirty-four thousand, forty-seven".