140129926 has 4 divisors (see below), whose sum is σ = 210194892. Its totient is φ = 70064962.

The previous prime is 140129917. The next prime is 140129939. The reversal of 140129926 is 629921041.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 140129891 and 140129900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35032480 + ... + 35032483.

It is an arithmetic number, because the mean of its divisors is an integer number (52548723).

Almost surely, 2^140129926 is an apocalyptic number.

140129926 is a deficient number, since it is larger than the sum of its proper divisors (70064966).

140129926 is an equidigital number, since it uses as much as digits as its factorization.

140129926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70064965.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 140129926 is about 11837.6486685490. The cubic root of 140129926 is about 519.4099890894.

The spelling of 140129926 in words is "one hundred forty million, one hundred twenty-nine thousand, nine hundred twenty-six".