140766834 has 64 divisors (see below), whose sum is σ = 327245184. Its totient is φ = 39975936.

The previous prime is 140766827. The next prime is 140766883. The reversal of 140766834 is 438667041.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140766792 and 140766801.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69277 + ... + 71279.

It is an arithmetic number, because the mean of its divisors is an integer number (5113206).

Almost surely, 2^140766834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140766834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163622592).

140766834 is an abundant number, since it is smaller than the sum of its proper divisors (186478350).

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

140766834 is a wasteful number, since it uses less digits than its factorization.

140766834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 140766834 is about 11864.5199650049. The cubic root of 140766834 is about 520.1957276011.

It can be divided in two parts, 14076 and 6834, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 140766834 in words is "one hundred forty million, seven hundred sixty-six thousand, eight hundred thirty-four".