139733240640 has 112 divisors (see below), whose sum is σ = 507032068992. Its totient is φ = 31939024896.

The previous prime is 139733240617. The next prime is 139733240657. The reversal of 139733240640 is 46042337931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×139733240640² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 139733240592 and 139733240601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10390099 + ... + 10403538.

Almost surely, 2^139733240640 is an apocalyptic number.

139733240640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139733240640 is an abundant number, since it is smaller than the sum of its proper divisors (367298828352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139733240640 is a wasteful number, since it uses less digits than its factorization.

139733240640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20793664 (or 20793654 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 42.

The spelling of 139733240640 in words is "one hundred thirty-nine billion, seven hundred thirty-three million, two hundred forty thousand, six hundred forty".