154137787793 has 32 divisors (see below), whose sum is σ = 183874990080. Its totient is φ = 127648872000.

The previous prime is 154137787789. The next prime is 154137787813. The reversal of 154137787793 is 397787731451.

It is a cyclic number.

It is not a de Polignac number, because 154137787793 - 2² = 154137787789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154137787693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 941438 + ... + 1092968.

It is an arithmetic number, because the mean of its divisors is an integer number (5746093440).

Almost surely, 2^154137787793 is an apocalyptic number.

It is an amenable number.

154137787793 is a deficient number, since it is larger than the sum of its proper divisors (29737202287).

154137787793 is a wasteful number, since it uses less digits than its factorization.

154137787793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151749.

The product of its digits is 31116960, while the sum is 62.

The spelling of 154137787793 in words is "one hundred fifty-four billion, one hundred thirty-seven million, seven hundred eighty-seven thousand, seven hundred ninety-three".