134587997 has 8 divisors (see below), whose sum is σ = 142632000. Its totient is φ = 126558144.

The previous prime is 134587987. The next prime is 134588009. The reversal of 134587997 is 799785431.

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 134587997 - 2⁶ = 134587933 is a prime.

It is a super-2 number, since 2×134587997² = 36227857872944018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134587967) 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, 20954 + ... + 26612.

It is an arithmetic number, because the mean of its divisors is an integer number (17829000).

Almost surely, 2^134587997 is an apocalyptic number.

134587997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

134587997 is a deficient number, since it is larger than the sum of its proper divisors (8044003).

134587997 is a wasteful number, since it uses less digits than its factorization.

134587997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7075.

The product of its digits is 1905120, while the sum is 53.

The square root of 134587997 is about 11601.2067044769. The cubic root of 134587997 is about 512.4703890883.

The spelling of 134587997 in words is "one hundred thirty-four million, five hundred eighty-seven thousand, nine hundred ninety-seven".