154136205400252 has 24 divisors (see below), whose sum is σ = 277629515190720. Its totient is φ = 74822523312960.

The previous prime is 154136205400241. The next prime is 154136205400259. The reversal of 154136205400252 is 252004502631451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154136205400259) 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, 1129498852 + ... + 1129635307.

It is an arithmetic number, because the mean of its divisors is an integer number (11567896466280).

Almost surely, 2^{154136205400252} is an apocalyptic number.

It is an amenable number.

154136205400252 is a deficient number, since it is larger than the sum of its proper divisors (123493309790468).

154136205400252 is a wasteful number, since it uses less digits than its factorization.

154136205400252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259134661 (or 2259134659 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 154136205400252 in words is "one hundred fifty-four trillion, one hundred thirty-six billion, two hundred five million, four hundred thousand, two hundred fifty-two".