154133400431236 has 12 divisors (see below), whose sum is σ = 269813466634320. Its totient is φ = 77043838535720.

The previous prime is 154133400431167. The next prime is 154133400431287. The reversal of 154133400431236 is 632134004331451.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5715404806 + ... + 5715431773.

It is an arithmetic number, because the mean of its divisors is an integer number (22484455552860).

Almost surely, 2^{154133400431236} is an apocalyptic number.

It is an amenable number.

154133400431236 is a deficient number, since it is larger than the sum of its proper divisors (115680066203084).

154133400431236 is a wasteful number, since it uses less digits than its factorization.

154133400431236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11430839954 (or 11430839952 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 154133400431236 its reverse (632134004331451), we get a palindrome (786267404762687).

The spelling of 154133400431236 in words is "one hundred fifty-four trillion, one hundred thirty-three billion, four hundred million, four hundred thirty-one thousand, two hundred thirty-six".