140649696 has 120 divisors (see below), whose sum is σ = 451342584. Its totient is φ = 42612480.

The previous prime is 140649667. The next prime is 140649701. The reversal of 140649696 is 696946041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26046 + ... + 30978.

Almost surely, 2^140649696 is an apocalyptic number.

140649696 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 140649696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225671292).

140649696 is an abundant number, since it is smaller than the sum of its proper divisors (310692888).

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

140649696 is a wasteful number, since it uses less digits than its factorization.

140649696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966 (or 4949 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 140649696 is about 11859.5824547072. The cubic root of 140649696 is about 520.0513953145.

The spelling of 140649696 in words is "one hundred forty million, six hundred forty-nine thousand, six hundred ninety-six".