2151154726 has 8 divisors (see below), whose sum is σ = 3687693840. Its totient is φ = 921923448.

The previous prime is 2151154669. The next prime is 2151154727. The reversal of 2151154726 is 6274511512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2151154691 and 2151154700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151154727) 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, 76826941 + ... + 76826968.

It is an arithmetic number, because the mean of its divisors is an integer number (460961730).

Almost surely, 2^2151154726 is an apocalyptic number.

2151154726 is a deficient number, since it is larger than the sum of its proper divisors (1536539114).

2151154726 is a wasteful number, since it uses less digits than its factorization.

2151154726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153653918.

The product of its digits is 16800, while the sum is 34.

The square root of 2151154726 is about 46380.5425367147. The cubic root of 2151154726 is about 1290.8939031934.

The spelling of 2151154726 in words is "two billion, one hundred fifty-one million, one hundred fifty-four thousand, seven hundred twenty-six".