1381382570149 has 8 divisors (see below), whose sum is σ = 1386727372800. Its totient is φ = 1376046820656.

The previous prime is 1381382570137. The next prime is 1381382570177. The reversal of 1381382570149 is 9410752831831.

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 1381382570149 - 2¹³ = 1381382561957 is a prime.

It is a super-5 number, since 5×1381382570149⁵ (a number of 62 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1381382570096 and 1381382570105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381382570179) 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, 1957449 + ... + 2567950.

It is an arithmetic number, because the mean of its divisors is an integer number (173340921600).

Almost surely, 2^{1381382570149} is an apocalyptic number.

It is an amenable number.

1381382570149 is a deficient number, since it is larger than the sum of its proper divisors (5344802651).

1381382570149 is an equidigital number, since it uses as much as digits as its factorization.

1381382570149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526579.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 1381382570149 in words is "one trillion, three hundred eighty-one billion, three hundred eighty-two million, five hundred seventy thousand, one hundred forty-nine".