13740157 has 2 divisors, whose sum is σ = 13740158. Its totient is φ = 13740156.

The previous prime is 13740151. The next prime is 13740163. The reversal of 13740157 is 75104731.

It is a balanced prime because it is at equal distance from previous prime (13740151) and next prime (13740163).

It can be written as a sum of positive squares in only one way, i.e., 8259876 + 5480281 = 2874^2 + 2341^2 .

It is a cyclic number.

It is not a de Polignac number, because 13740157 - 2³ = 13740149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13740151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6870078 + 6870079.

It is an arithmetic number, because the mean of its divisors is an integer number (6870079).

Almost surely, 2^13740157 is an apocalyptic number.

It is an amenable number.

13740157 is a deficient number, since it is larger than the sum of its proper divisors (1).

13740157 is an equidigital number, since it uses as much as digits as its factorization.

13740157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 13740157 is about 3706.7717760877. The cubic root of 13740157 is about 239.5138132121.

Adding to 13740157 its reverse (75104731), we get a palindrome (88844888).

The spelling of 13740157 in words is "thirteen million, seven hundred forty thousand, one hundred fifty-seven".