1381257507007 has 16 divisors (see below), whose sum is σ = 1588716288000. Its totient is φ = 1176354869760.

The previous prime is 1381257506977. The next prime is 1381257507017. The reversal of 1381257507007 is 7007057521831.

It is not a de Polignac number, because 1381257507007 - 2⁷ = 1381257506879 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 (1381257507017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168219 + ... + 1670572.

It is an arithmetic number, because the mean of its divisors is an integer number (99294768000).

Almost surely, 2^{1381257507007} is an apocalyptic number.

1381257507007 is a deficient number, since it is larger than the sum of its proper divisors (207458780993).

1381257507007 is a wasteful number, since it uses less digits than its factorization.

1381257507007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839486.

The product of its (nonzero) digits is 411600, while the sum is 46.

The spelling of 1381257507007 in words is "one trillion, three hundred eighty-one billion, two hundred fifty-seven million, five hundred seven thousand, seven".