120135300154 has 16 divisors (see below), whose sum is σ = 190810128168. Its totient is φ = 56532183552.

The previous prime is 120135300149. The next prime is 120135300157. The reversal of 120135300154 is 451003531021.

It is a happy number.

120135300154 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 59720118129 + 60415182025 = 244377^2 + 245795^2 .

It is not an unprimeable number, because it can be changed into a prime (120135300157) 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, 1277782 + ... + 1368574.

Almost surely, 2^120135300154 is an apocalyptic number.

120135300154 is a deficient number, since it is larger than the sum of its proper divisors (70674828014).

120135300154 is a wasteful number, since it uses less digits than its factorization.

120135300154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129729.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 120135300154 its reverse (451003531021), we get a palindrome (571138831175).

The spelling of 120135300154 in words is "one hundred twenty billion, one hundred thirty-five million, three hundred thousand, one hundred fifty-four".