154135013 has 4 divisors (see below), whose sum is σ = 154452000. Its totient is φ = 153818028.

The previous prime is 154134991. The next prime is 154135019. The reversal of 154135013 is 310531451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310531451 = 2131 ⋅145721.

It is a cyclic number.

It is not a de Polignac number, because 154135013 - 2²² = 149940709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 154135013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154135019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157763 + ... + 158736.

It is an arithmetic number, because the mean of its divisors is an integer number (38613000).

Almost surely, 2^154135013 is an apocalyptic number.

It is an amenable number.

154135013 is a deficient number, since it is larger than the sum of its proper divisors (316987).

154135013 is an equidigital number, since it uses as much as digits as its factorization.

154135013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316986.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 154135013 is about 12415.1122830202. The cubic root of 154135013 is about 536.1674369695.

Adding to 154135013 its reverse (310531451), we get a palindrome (464666464).

The spelling of 154135013 in words is "one hundred fifty-four million, one hundred thirty-five thousand, thirteen".