1540533052154 has 8 divisors (see below), whose sum is σ = 2359965526848. Its totient is φ = 753877876540.

The previous prime is 1540533052141. The next prime is 1540533052159. The reversal of 1540533052154 is 4512503350451.

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

It is not an unprimeable number, because it can be changed into a prime (1540533052159) 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, 8194324652 + ... + 8194324839.

It is an arithmetic number, because the mean of its divisors is an integer number (294995690856).

Almost surely, 2^{1540533052154} is an apocalyptic number.

1540533052154 is a deficient number, since it is larger than the sum of its proper divisors (819432474694).

1540533052154 is a wasteful number, since it uses less digits than its factorization.

1540533052154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16388649540.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 1540533052154 in words is "one trillion, five hundred forty billion, five hundred thirty-three million, fifty-two thousand, one hundred fifty-four".