340121133 has 16 divisors (see below), whose sum is σ = 549691200. Its totient is φ = 206133840.

The previous prime is 340121129. The next prime is 340121153. The reversal of 340121133 is 331121043.

It is not a de Polignac number, because 340121133 - 2² = 340121129 is a prime.

It is a super-2 number, since 2×340121133² = 231364770226407378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340121123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572298 + ... + 572891.

It is an arithmetic number, because the mean of its divisors is an integer number (34355700).

Almost surely, 2^340121133 is an apocalyptic number.

340121133 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

340121133 is a deficient number, since it is larger than the sum of its proper divisors (209570067).

340121133 is a wasteful number, since it uses less digits than its factorization.

340121133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145209 (or 1145203 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 340121133 is about 18442.3733017201. The cubic root of 340121133 is about 698.0360822665.

Adding to 340121133 its reverse (331121043), we get a palindrome (671242176).

The spelling of 340121133 in words is "three hundred forty million, one hundred twenty-one thousand, one hundred thirty-three".