2154140141 has 8 divisors (see below), whose sum is σ = 2248410624. Its totient is φ = 2059920720.

The previous prime is 2154140063. The next prime is 2154140147. The reversal of 2154140141 is 1410414512.

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

It is a cyclic number.

It is not a de Polignac number, because 2154140141 - 2¹⁸ = 2153877997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154140147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91751 + ... + 112811.

It is an arithmetic number, because the mean of its divisors is an integer number (281051328).

Almost surely, 2^2154140141 is an apocalyptic number.

It is an amenable number.

2154140141 is a deficient number, since it is larger than the sum of its proper divisors (94270483).

2154140141 is a wasteful number, since it uses less digits than its factorization.

2154140141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25531.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 2154140141 is about 46412.7152944104. The cubic root of 2154140141 is about 1291.4908031638.

Adding to 2154140141 its reverse (1410414512), we get a palindrome (3564554653).

The spelling of 2154140141 in words is "two billion, one hundred fifty-four million, one hundred forty thousand, one hundred forty-one".