140811264 has 176 divisors, whose sum is σ = 455907840. Its totient is φ = 42577920.

The previous prime is 140811193. The next prime is 140811353. The reversal of 140811264 is 462118041.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (176).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303897 + ... + 304359.

Almost surely, 2^140811264 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 140811264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227953920).

140811264 is an abundant number, since it is smaller than the sum of its proper divisors (315096576).

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

140811264 is a wasteful number, since it uses less digits than its factorization.

140811264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 140811264 is about 11866.3922065639. The cubic root of 140811264 is about 520.2504513461.

The spelling of 140811264 in words is "one hundred forty million, eight hundred eleven thousand, two hundred sixty-four".