140052129 has 32 divisors (see below), whose sum is σ = 226934784. Its totient is φ = 75092160.

The previous prime is 140052127. The next prime is 140052131. The reversal of 140052129 is 921250041.

It is an interprime number because it is at equal distance from previous prime (140052127) and next prime (140052131).

It is not a de Polignac number, because 140052129 - 2¹ = 140052127 is a prime.

It is a super-2 number, since 2×140052129² = 39229197674865282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140052099 and 140052108.

It is not an unprimeable number, because it can be changed into a prime (140052127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22864 + ... + 28334.

It is an arithmetic number, because the mean of its divisors is an integer number (7091712).

Almost surely, 2^140052129 is an apocalyptic number.

It is an amenable number.

140052129 is a deficient number, since it is larger than the sum of its proper divisors (86882655).

140052129 is a wasteful number, since it uses less digits than its factorization.

140052129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 140052129 is about 11834.3622134866. The cubic root of 140052129 is about 519.3138496937.

The spelling of 140052129 in words is "one hundred forty million, fifty-two thousand, one hundred twenty-nine".