1361215612137 has 8 divisors (see below), whose sum is σ = 1815244242336. Its totient is φ = 907332028352.

The previous prime is 1361215612123. The next prime is 1361215612153. The reversal of 1361215612137 is 7312165121631.

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 1361215612137 - 2⁴ = 1361215612121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1361215612095 and 1361215612104.

It is not an unprimeable number, because it can be changed into a prime (1361215612117) 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, 36239703 + ... + 36277244.

It is an arithmetic number, because the mean of its divisors is an integer number (226905530292).

Almost surely, 2^{1361215612137} is an apocalyptic number.

It is an amenable number.

1361215612137 is a deficient number, since it is larger than the sum of its proper divisors (454028630199).

1361215612137 is an equidigital number, since it uses as much as digits as its factorization.

1361215612137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72523207.

The product of its digits is 45360, while the sum is 39.

The spelling of 1361215612137 in words is "one trillion, three hundred sixty-one billion, two hundred fifteen million, six hundred twelve thousand, one hundred thirty-seven".