13742149 has 4 divisors (see below), whose sum is σ = 14465440. Its totient is φ = 13018860.

The previous prime is 13742147. The next prime is 13742173. The reversal of 13742149 is 94124731.

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 13742149 - 2¹ = 13742147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13742149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13742147) 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, 361617 + ... + 361654.

It is an arithmetic number, because the mean of its divisors is an integer number (3616360).

Almost surely, 2^13742149 is an apocalyptic number.

13742149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13742149 is a deficient number, since it is larger than the sum of its proper divisors (723291).

13742149 is an equidigital number, since it uses as much as digits as its factorization.

13742149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723290.

The product of its digits is 6048, while the sum is 31.

The square root of 13742149 is about 3707.0404637662. The cubic root of 13742149 is about 239.5253872784.

The spelling of 13742149 in words is "thirteen million, seven hundred forty-two thousand, one hundred forty-nine".