154203087206131 has 4 divisors (see below), whose sum is σ = 154560866991264. Its totient is φ = 153845307421000.

The previous prime is 154203087206093. The next prime is 154203087206137. The reversal of 154203087206131 is 131602780302451.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 154203087206131 - 2⁹ = 154203087205619 is a prime.

It is a super-2 number, since 2×154203087206131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154203087206137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178889891920 + ... + 178889892781.

It is an arithmetic number, because the mean of its divisors is an integer number (38640216747816).

Almost surely, 2^{154203087206131} is an apocalyptic number.

154203087206131 is a deficient number, since it is larger than the sum of its proper divisors (357779785133).

154203087206131 is an equidigital number, since it uses as much as digits as its factorization.

154203087206131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357779785132.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 154203087206131 in words is "one hundred fifty-four trillion, two hundred three billion, eighty-seven million, two hundred six thousand, one hundred thirty-one".