1541938153 has 4 divisors (see below), whose sum is σ = 1762215040. Its totient is φ = 1321661268.

The previous prime is 1541938129. The next prime is 1541938187. The reversal of 1541938153 is 3518391451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1541938153 - 2⁵ = 1541938121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1541938253) 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, 110138433 + ... + 110138446.

It is an arithmetic number, because the mean of its divisors is an integer number (440553760).

Almost surely, 2^1541938153 is an apocalyptic number.

It is an amenable number.

1541938153 is a deficient number, since it is larger than the sum of its proper divisors (220276887).

1541938153 is an equidigital number, since it uses as much as digits as its factorization.

1541938153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220276886.

The product of its digits is 64800, while the sum is 40.

The square root of 1541938153 is about 39267.5203316940. The cubic root of 1541938153 is about 1155.2846016925.

The spelling of 1541938153 in words is "one billion, five hundred forty-one million, nine hundred thirty-eight thousand, one hundred fifty-three".