147136123 has 4 divisors (see below), whose sum is σ = 147503448. Its totient is φ = 146768800.

The previous prime is 147136117. The next prime is 147136127. The reversal of 147136123 is 321631741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321631741 = 797 ⋅403553.

It is a cyclic number.

It is not a de Polignac number, because 147136123 - 2¹⁷ = 147005051 is a prime.

It is a super-2 number, since 2×147136123² = 43298077382942258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147136091 and 147136100.

It is not an unprimeable number, because it can be changed into a prime (147136127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183061 + ... + 183862.

It is an arithmetic number, because the mean of its divisors is an integer number (36875862).

Almost surely, 2^147136123 is an apocalyptic number.

147136123 is a deficient number, since it is larger than the sum of its proper divisors (367325).

147136123 is an equidigital number, since it uses as much as digits as its factorization.

147136123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367324.

The product of its digits is 3024, while the sum is 28.

The square root of 147136123 is about 12129.9679719280. The cubic root of 147136123 is about 527.9260626400.

Adding to 147136123 its reverse (321631741), we get a palindrome (468767864).

The spelling of 147136123 in words is "one hundred forty-seven million, one hundred thirty-six thousand, one hundred twenty-three".