134211640 has 16 divisors (see below), whose sum is σ = 301976280. Its totient is φ = 53684640.

The previous prime is 134211629. The next prime is 134211641. The reversal of 134211640 is 46112431.

It is a super-2 number, since 2×134211640² = 36025528622979200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134211641) 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, 1677606 + ... + 1677685.

Almost surely, 2^134211640 is an apocalyptic number.

134211640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134211640 is an abundant number, since it is smaller than the sum of its proper divisors (167764640).

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

134211640 is a wasteful number, since it uses less digits than its factorization.

134211640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355302 (or 3355298 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 134211640 is about 11584.9747518068. The cubic root of 134211640 is about 511.9922585906.

The spelling of 134211640 in words is "one hundred thirty-four million, two hundred eleven thousand, six hundred forty".