134398641 has 16 divisors (see below), whose sum is σ = 194977664. Its totient is φ = 81851904.

The previous prime is 134398613. The next prime is 134398643. The reversal of 134398641 is 146893431.

It is not a de Polignac number, because 134398641 - 2⁶ = 134398577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134398641.

It is not an unprimeable number, because it can be changed into a prime (134398643) 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, 13981 + ... + 21546.

It is an arithmetic number, because the mean of its divisors is an integer number (12186104).

Almost surely, 2^134398641 is an apocalyptic number.

It is an amenable number.

134398641 is a deficient number, since it is larger than the sum of its proper divisors (60579023).

134398641 is a wasteful number, since it uses less digits than its factorization.

134398641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35640.

The product of its digits is 62208, while the sum is 39.

The square root of 134398641 is about 11593.0427843599. The cubic root of 134398641 is about 512.2299394941.

The spelling of 134398641 in words is "one hundred thirty-four million, three hundred ninety-eight thousand, six hundred forty-one".