139471165733734 has 4 divisors (see below), whose sum is σ = 209206748600604. Its totient is φ = 69735582866866.

The previous prime is 139471165733621. The next prime is 139471165733773. The reversal of 139471165733734 is 437337561174931.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×139471165733734² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34867791433432 + ... + 34867791433435.

It is an arithmetic number, because the mean of its divisors is an integer number (52301687150151).

Almost surely, 2^{139471165733734} is an apocalyptic number.

139471165733734 is a deficient number, since it is larger than the sum of its proper divisors (69735582866870).

139471165733734 is an equidigital number, since it uses as much as digits as its factorization.

139471165733734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69735582866869.

The product of its digits is 120022560, while the sum is 64.

The spelling of 139471165733734 in words is "one hundred thirty-nine trillion, four hundred seventy-one billion, one hundred sixty-five million, seven hundred thirty-three thousand, seven hundred thirty-four".