140261000 has 128 divisors (see below), whose sum is σ = 367960320. Its totient is φ = 49600000.

The previous prime is 140260973. The next prime is 140261003. The reversal of 140261000 is 162041.

It is not an unprimeable number, because it can be changed into a prime (140261003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 450845 + ... + 451155.

It is an arithmetic number, because the mean of its divisors is an integer number (2874690).

Almost surely, 2^140261000 is an apocalyptic number.

140261000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140261000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183980160).

140261000 is an abundant number, since it is smaller than the sum of its proper divisors (227699320).

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

140261000 is a wasteful number, since it uses less digits than its factorization.

140261000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 140261000 is about 11843.1836935851. The cubic root of 140261000 is about 519.5718862914.

The spelling of 140261000 in words is "one hundred forty million, two hundred sixty-one thousand".