139916509376 has 224 divisors, whose sum is σ = 330771105792. Its totient is φ = 57485721600.

The previous prime is 139916509361. The next prime is 139916509417. The reversal of 139916509376 is 673905619931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348918776 + ... + 348919176.

Almost surely, 2^139916509376 is an apocalyptic number.

139916509376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139916509376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165385552896).

139916509376 is an abundant number, since it is smaller than the sum of its proper divisors (190854596416).

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

139916509376 is a wasteful number, since it uses less digits than its factorization.

139916509376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 8266860, while the sum is 59.

The spelling of 139916509376 in words is "one hundred thirty-nine billion, nine hundred sixteen million, five hundred nine thousand, three hundred seventy-six".