140407029 has 48 divisors (see below), whose sum is σ = 253393920. Its totient is φ = 73059840.

The previous prime is 140407027. The next prime is 140407031. The reversal of 140407029 is 920704041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140407027) and next prime (140407031).

It is not a de Polignac number, because 140407029 - 2¹ = 140407027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140406993 and 140407011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140407027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31087 + ... + 35315.

It is an arithmetic number, because the mean of its divisors is an integer number (5279040).

Almost surely, 2^140407029 is an apocalyptic number.

It is an amenable number.

140407029 is a deficient number, since it is larger than the sum of its proper divisors (112986891).

140407029 is a wasteful number, since it uses less digits than its factorization.

140407029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290 (or 4287 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 140407029 is about 11849.3471972088. The cubic root of 140407029 is about 519.7521365565.

The spelling of 140407029 in words is "one hundred forty million, four hundred seven thousand, twenty-nine".