3154140421 has 2 divisors, whose sum is σ = 3154140422. Its totient is φ = 3154140420.

The previous prime is 3154140383. The next prime is 3154140433. The reversal of 3154140421 is 1240414513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2170628100 + 983512321 = 46590^2 + 31361^2 .

It is a cyclic number.

It is not a de Polignac number, because 3154140421 - 2⁹ = 3154139909 is a prime.

It is a super-3 number, since 3×3154140421³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3154140461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577070210 + 1577070211.

It is an arithmetic number, because the mean of its divisors is an integer number (1577070211).

Almost surely, 2^3154140421 is an apocalyptic number.

It is an amenable number.

3154140421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3154140421 is an equidigital number, since it uses as much as digits as its factorization.

3154140421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 3154140421 is about 56161.7344906654. The cubic root of 3154140421 is about 1466.5391955733.

Adding to 3154140421 its reverse (1240414513), we get a palindrome (4394554934).

The spelling of 3154140421 in words is "three billion, one hundred fifty-four million, one hundred forty thousand, four hundred twenty-one".