134691740 has 24 divisors (see below), whose sum is σ = 283545360. Its totient is φ = 53744768.

The previous prime is 134691719. The next prime is 134691743. The reversal of 134691740 is 47196431.

It is a self number, because there is not a number n which added to its sum of digits gives 134691740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134691743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344 + ... + 16416.

It is an arithmetic number, because the mean of its divisors is an integer number (11814390).

Almost surely, 2^134691740 is an apocalyptic number.

134691740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134691740 is an abundant number, since it is smaller than the sum of its proper divisors (148853620).

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

134691740 is a wasteful number, since it uses less digits than its factorization.

134691740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16501 (or 16499 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 134691740 is about 11605.6770590948. The cubic root of 134691740 is about 512.6020292602.

The spelling of 134691740 in words is "one hundred thirty-four million, six hundred ninety-one thousand, seven hundred forty".