13542665401 has 4 divisors (see below), whose sum is σ = 13857611152. Its totient is φ = 13227719652.

The previous prime is 13542665347. The next prime is 13542665483. The reversal of 13542665401 is 10456624531.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10456624531 = 47 ⋅222481373.

It is a cyclic number.

It is not a de Polignac number, because 13542665401 - 2¹⁷ = 13542534329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13542665491) 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, 157472811 + ... + 157472896.

It is an arithmetic number, because the mean of its divisors is an integer number (3464402788).

Almost surely, 2^13542665401 is an apocalyptic number.

It is an amenable number.

13542665401 is a deficient number, since it is larger than the sum of its proper divisors (314945751).

13542665401 is an equidigital number, since it uses as much as digits as its factorization.

13542665401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314945750.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 13542665401 in words is "thirteen billion, five hundred forty-two million, six hundred sixty-five thousand, four hundred one".