154560290136 has 128 divisors (see below), whose sum is σ = 453040473600. Its totient is φ = 43021440000.

The previous prime is 154560290057. The next prime is 154560290149. The reversal of 154560290136 is 631092065451.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2782636 + ... + 2837636.

It is an arithmetic number, because the mean of its divisors is an integer number (3539378700).

Almost surely, 2^154560290136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154560290136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226520236800).

154560290136 is an abundant number, since it is smaller than the sum of its proper divisors (298480183464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154560290136 is a wasteful number, since it uses less digits than its factorization.

154560290136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55449 (or 55445 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 154560290136 in words is "one hundred fifty-four billion, five hundred sixty million, two hundred ninety thousand, one hundred thirty-six".