134020340 has 48 divisors (see below), whose sum is σ = 286970880. Its totient is φ = 52565760.

The previous prime is 134020297. The next prime is 134020391. The reversal of 134020340 is 43020431.

It is a super-2 number, since 2×134020340² = 35922903067431200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428024 + ... + 428336.

It is an arithmetic number, because the mean of its divisors is an integer number (5978560).

Almost surely, 2^134020340 is an apocalyptic number.

134020340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134020340 is an abundant number, since it is smaller than the sum of its proper divisors (152950540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134020340 is a wasteful number, since it uses less digits than its factorization.

134020340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 134020340 is about 11576.7154236424. The cubic root of 134020340 is about 511.7488850373.

Adding to 134020340 its reverse (43020431), we get a palindrome (177040771).

Subtracting from 134020340 its reverse (43020431), we obtain a palindrome (90999909).

The spelling of 134020340 in words is "one hundred thirty-four million, twenty thousand, three hundred forty".