139581364713505 has 64 divisors (see below), whose sum is σ = 197468299284480. Its totient is φ = 93377473689600.

The previous prime is 139581364713499. The next prime is 139581364713521. The reversal of 139581364713505 is 505317463185931.

It is not a de Polignac number, because 139581364713505 - 2⁵ = 139581364713473 is a prime.

It is a super-3 number, since 3×139581364713505³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3806296320 + ... + 3806332990.

It is an arithmetic number, because the mean of its divisors is an integer number (3085442176320).

Almost surely, 2^{139581364713505} is an apocalyptic number.

It is an amenable number.

139581364713505 is a deficient number, since it is larger than the sum of its proper divisors (57886934570975).

139581364713505 is a wasteful number, since it uses less digits than its factorization.

139581364713505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55162.

The product of its (nonzero) digits is 40824000, while the sum is 61.

The spelling of 139581364713505 in words is "one hundred thirty-nine trillion, five hundred eighty-one billion, three hundred sixty-four million, seven hundred thirteen thousand, five hundred five".