1540154053 has 6 divisors (see below), whose sum is σ = 1578636722. Its totient is φ = 1502587680.

The previous prime is 1540154029. The next prime is 1540154093. The reversal of 1540154053 is 3504510451.

It can be written as a sum of positive squares in 3 ways, for example, as 355624164 + 1184529889 = 18858^2 + 34417^2 .

It is not a de Polignac number, because 1540154053 - 2¹³ = 1540145861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540154023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456426 + ... + 459787.

Almost surely, 2^1540154053 is an apocalyptic number.

It is an amenable number.

1540154053 is a deficient number, since it is larger than the sum of its proper divisors (38482669).

1540154053 is an frugal number, since it uses more digits than its factorization.

1540154053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916295 (or 916254 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1540154053 is about 39244.7965085819. The cubic root of 1540154053 is about 1154.8388556003.

The spelling of 1540154053 in words is "one billion, five hundred forty million, one hundred fifty-four thousand, fifty-three".