134030391 has 32 divisors (see below), whose sum is σ = 206739456. Its totient is φ = 76464000.

The previous prime is 134030381. The next prime is 134030411. The reversal of 134030391 is 193030431.

It is not a de Polignac number, because 134030391 - 2⁹ = 134029879 is a prime.

It is a super-2 number, since 2×134030391² = 35928291423225762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134030311) 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 31 ways as a sum of consecutive naturals, for example, 36081 + ... + 39621.

It is an arithmetic number, because the mean of its divisors is an integer number (6460608).

Almost surely, 2^134030391 is an apocalyptic number.

134030391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134030391 is a deficient number, since it is larger than the sum of its proper divisors (72709065).

134030391 is a wasteful number, since it uses less digits than its factorization.

134030391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 134030391 is about 11577.1495196357. The cubic root of 134030391 is about 511.7616777707.

It can be divided in two parts, 134030 and 391, that added together give a triangular number (134421 = T₅₁₈).

The spelling of 134030391 in words is "one hundred thirty-four million, thirty thousand, three hundred ninety-one".