139662351050 has 12 divisors (see below), whose sum is σ = 259771973046. Its totient is φ = 55864940400.

The previous prime is 139662350981. The next prime is 139662351077. The reversal of 139662351050 is 50153266931.

It can be written as a sum of positive squares in 3 ways, for example, as 86311976521 + 53350374529 = 293789^2 + 230977^2 .

It is a super-2 number, since 2×139662351050² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 139662350989 and 139662351007.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1396623461 + ... + 1396623560.

Almost surely, 2^139662351050 is an apocalyptic number.

139662351050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139662351050 is a deficient number, since it is larger than the sum of its proper divisors (120109621996).

139662351050 is a wasteful number, since it uses less digits than its factorization.

139662351050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793247033 (or 2793247028 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 139662351050 in words is "one hundred thirty-nine billion, six hundred sixty-two million, three hundred fifty-one thousand, fifty".