154927135651 has 4 divisors (see below), whose sum is σ = 154927923112. Its totient is φ = 154926348192.

The previous prime is 154927135619. The next prime is 154927135673. The reversal of 154927135651 is 156531729451.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 154927135651 - 2⁵ = 154927135619 is a prime.

It is a super-2 number, since 2×154927135651² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154927135595 and 154927135604.

It is not an unprimeable number, because it can be changed into a prime (154927130651) 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, 182155 + ... + 585691.

It is an arithmetic number, because the mean of its divisors is an integer number (38731980778).

Almost surely, 2^154927135651 is an apocalyptic number.

154927135651 is a deficient number, since it is larger than the sum of its proper divisors (787461).

154927135651 is an equidigital number, since it uses as much as digits as its factorization.

154927135651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787460.

The product of its digits is 1134000, while the sum is 49.

The spelling of 154927135651 in words is "one hundred fifty-four billion, nine hundred twenty-seven million, one hundred thirty-five thousand, six hundred fifty-one".