154138607 has 8 divisors (see below), whose sum is σ = 176563200. Its totient is φ = 131815224.

The previous prime is 154138591. The next prime is 154138627. The reversal of 154138607 is 706831451.

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 154138607 - 2⁴ = 154138591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154138627) 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, 22007 + ... + 28152.

It is an arithmetic number, because the mean of its divisors is an integer number (22070400).

Almost surely, 2^154138607 is an apocalyptic number.

154138607 is a deficient number, since it is larger than the sum of its proper divisors (22424593).

154138607 is an equidigital number, since it uses as much as digits as its factorization.

154138607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50605.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 154138607 is about 12415.2570251284. The cubic root of 154138607 is about 536.1716042485.

The spelling of 154138607 in words is "one hundred fifty-four million, one hundred thirty-eight thousand, six hundred seven".