140870016 has 192 divisors, whose sum is σ = 481178880. Its totient is φ = 40186368.

The previous prime is 140870003. The next prime is 140870017. The reversal of 140870016 is 610078041.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×140870016² = 39688722815680512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140870017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217405 + ... + 218051.

It is an arithmetic number, because the mean of its divisors is an integer number (2506140).

Almost surely, 2^140870016 is an apocalyptic number.

140870016 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 140870016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240589440).

140870016 is an abundant number, since it is smaller than the sum of its proper divisors (340308864).

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

140870016 is an frugal number, since it uses more digits than its factorization.

140870016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 140870016 is about 11868.8675112666. The cubic root of 140870016 is about 520.3227976048.

The spelling of 140870016 in words is "one hundred forty million, eight hundred seventy thousand, sixteen".