135406597 has 8 divisors (see below), whose sum is σ = 147448800. Its totient is φ = 123855984.

The previous prime is 135406591. The next prime is 135406619. The reversal of 135406597 is 795604531.

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

It is not a de Polignac number, because 135406597 - 2¹⁵ = 135373829 is a prime.

It is a super-2 number, since 2×135406597² = 36669893022240818, 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 (135406591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122323 + ... + 123424.

It is an arithmetic number, because the mean of its divisors is an integer number (18431100).

Almost surely, 2^135406597 is an apocalyptic number.

It is an amenable number.

135406597 is a deficient number, since it is larger than the sum of its proper divisors (12042203).

135406597 is a wasteful number, since it uses less digits than its factorization.

135406597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245795.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 135406597 is about 11636.4340328126. The cubic root of 135406597 is about 513.5072834422.

The spelling of 135406597 in words is "one hundred thirty-five million, four hundred six thousand, five hundred ninety-seven".