134621587 has 8 divisors (see below), whose sum is σ = 136620432. Its totient is φ = 132636000.

The previous prime is 134621579. The next prime is 134621603. The reversal of 134621587 is 785126431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134621587 - 2³ = 134621579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134621527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18153 + ... + 24469.

It is an arithmetic number, because the mean of its divisors is an integer number (17077554).

Almost surely, 2^134621587 is an apocalyptic number.

134621587 is a deficient number, since it is larger than the sum of its proper divisors (1998845).

134621587 is a wasteful number, since it uses less digits than its factorization.

134621587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6629.

The product of its digits is 40320, while the sum is 37.

The square root of 134621587 is about 11602.6543083900. The cubic root of 134621587 is about 512.5130190625.

The spelling of 134621587 in words is "one hundred thirty-four million, six hundred twenty-one thousand, five hundred eighty-seven".