140102052 has 24 divisors (see below), whose sum is σ = 328028736. Its totient is φ = 46540128.

The previous prime is 140102023. The next prime is 140102057. The reversal of 140102052 is 250201041.

It is a super-2 number, since 2×140102052² = 39257169949221408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140102057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16408 + ... + 23439.

It is an arithmetic number, because the mean of its divisors is an integer number (13667864).

Almost surely, 2^140102052 is an apocalyptic number.

140102052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140102052 is an abundant number, since it is smaller than the sum of its proper divisors (187926684).

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

140102052 is a wasteful number, since it uses less digits than its factorization.

140102052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40147 (or 40145 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 140102052 is about 11836.4712646971. The cubic root of 140102052 is about 519.3755472574.

Adding to 140102052 its reverse (250201041), we get a palindrome (390303093).

The spelling of 140102052 in words is "one hundred forty million, one hundred two thousand, fifty-two".