140746347 has 12 divisors (see below), whose sum is σ = 232343280. Its totient is φ = 80426448.

The previous prime is 140746343. The next prime is 140746351. The reversal of 140746347 is 743647041.

It is a happy number.

140746347 is a `hidden beast` number, since 14 + 0 + 7 + 4 + 634 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (140746343) and next prime (140746351).

It is not a de Polignac number, because 140746347 - 2² = 140746343 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (140746343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1116972 + ... + 1117097.

It is an arithmetic number, because the mean of its divisors is an integer number (19361940).

Almost surely, 2^140746347 is an apocalyptic number.

140746347 is a deficient number, since it is larger than the sum of its proper divisors (91596933).

140746347 is a wasteful number, since it uses less digits than its factorization.

140746347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234082 (or 2234079 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 140746347 is about 11863.6565611113. The cubic root of 140746347 is about 520.1704902005.

The spelling of 140746347 in words is "one hundred forty million, seven hundred forty-six thousand, three hundred forty-seven".