15140101 has 2 divisors, whose sum is σ = 15140102. Its totient is φ = 15140100.

The previous prime is 15140077. The next prime is 15140129. The reversal of 15140101 is 10104151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12496225 + 2643876 = 3535^2 + 1626^2 .

It is a cyclic number.

It is not a de Polignac number, because 15140101 - 2⁷ = 15139973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15140201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7570050 + 7570051.

It is an arithmetic number, because the mean of its divisors is an integer number (7570051).

Almost surely, 2^15140101 is an apocalyptic number.

It is an amenable number.

15140101 is a deficient number, since it is larger than the sum of its proper divisors (1).

15140101 is an equidigital number, since it uses as much as digits as its factorization.

15140101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 15140101 is about 3891.0282702648. The cubic root of 15140101 is about 247.3866487716.

Adding to 15140101 its reverse (10104151), we get a palindrome (25244252).

The spelling of 15140101 in words is "fifteen million, one hundred forty thousand, one hundred one".