1355137540727 has 8 divisors (see below), whose sum is σ = 1399092980352. Its totient is φ = 1311197184000.

The previous prime is 1355137540697. The next prime is 1355137540777. The reversal of 1355137540727 is 7270457315531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1355137540727 - 2²⁴ = 1355120763511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355137540777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3587978 + ... + 3947639.

It is an arithmetic number, because the mean of its divisors is an integer number (174886622544).

Almost surely, 2^{1355137540727} is an apocalyptic number.

1355137540727 is a deficient number, since it is larger than the sum of its proper divisors (43955439625).

1355137540727 is an equidigital number, since it uses as much as digits as its factorization.

1355137540727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541449.

The product of its (nonzero) digits is 3087000, while the sum is 50.

The spelling of 1355137540727 in words is "one trillion, three hundred fifty-five billion, one hundred thirty-seven million, five hundred forty thousand, seven hundred twenty-seven".