140644504 has 144 divisors (see below), whose sum is σ = 364250520. Its totient is φ = 50319360.

The previous prime is 140644477. The next prime is 140644507. The reversal of 140644504 is 405446041.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140644507) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 728632 + ... + 728824.

Almost surely, 2^140644504 is an apocalyptic number.

140644504 is a gapful number since it is divisible by the number (14) 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 140644504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182125260).

140644504 is an abundant number, since it is smaller than the sum of its proper divisors (223606016).

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

140644504 is a wasteful number, since it uses less digits than its factorization.

140644504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 140644504 is about 11859.3635579655. The cubic root of 140644504 is about 520.0449961063.

The spelling of 140644504 in words is "one hundred forty million, six hundred forty-four thousand, five hundred four".