140921976 has 96 divisors (see below), whose sum is σ = 404202960. Its totient is φ = 40559616.

The previous prime is 140921947. The next prime is 140921981. The reversal of 140921976 is 679129041.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 864471 + ... + 864633.

Almost surely, 2^140921976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140921976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202101480).

140921976 is an abundant number, since it is smaller than the sum of its proper divisors (263280984).

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

140921976 is a wasteful number, since it uses less digits than its factorization.

140921976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 140921976 is about 11871.0562293336. The cubic root of 140921976 is about 520.3867635453.

The spelling of 140921976 in words is "one hundred forty million, nine hundred twenty-one thousand, nine hundred seventy-six".