140900928 has 112 divisors (see below), whose sum is σ = 436619904. Its totient is φ = 39260160.

The previous prime is 140900927. The next prime is 140900953. The reversal of 140900928 is 829009041.

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

It is a super-2 number, since 2×140900928² = 39706143022522368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140900923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53826 + ... + 56382.

It is an arithmetic number, because the mean of its divisors is an integer number (3898392).

Almost surely, 2^140900928 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 140900928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218309952).

140900928 is an abundant number, since it is smaller than the sum of its proper divisors (295718976).

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

140900928 is a wasteful number, since it uses less digits than its factorization.

140900928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620 (or 2610 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 140900928 is about 11870.1696702280. The cubic root of 140900928 is about 520.3608540638.

Adding to 140900928 its reverse (829009041), we get a palindrome (969909969).

The spelling of 140900928 in words is "one hundred forty million, nine hundred thousand, nine hundred twenty-eight".