140134752 has 96 divisors (see below), whose sum is σ = 411032160. Its totient is φ = 46448640.

The previous prime is 140134733. The next prime is 140134769. The reversal of 140134752 is 257431041.

It is a tau number, because it is divible by the number of its divisors (96).

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, 207888 + ... + 208560.

It is an arithmetic number, because the mean of its divisors is an integer number (4281585).

Almost surely, 2^140134752 is an apocalyptic number.

140134752 is a gapful number since it is divisible by the number (12) 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 140134752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205516080).

140134752 is an abundant number, since it is smaller than the sum of its proper divisors (270897408).

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

140134752 is a wasteful number, since it uses less digits than its factorization.

140134752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 140134752 is about 11837.8525079509. The cubic root of 140134752 is about 519.4159517554.

Adding to 140134752 its reverse (257431041), we get a palindrome (397565793).

The spelling of 140134752 in words is "one hundred forty million, one hundred thirty-four thousand, seven hundred fifty-two".