140151540 has 48 divisors (see below), whose sum is σ = 392938560. Its totient is φ = 37324800.

The previous prime is 140151511. The next prime is 140151607. The reversal of 140151540 is 45151041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86740 + ... + 88340.

It is an arithmetic number, because the mean of its divisors is an integer number (8186220).

Almost surely, 2^140151540 is an apocalyptic number.

140151540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140151540 is an abundant number, since it is smaller than the sum of its proper divisors (252787020).

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

140151540 is a wasteful number, since it uses less digits than its factorization.

140151540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072 (or 3070 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 140151540 is about 11838.5615680284. The cubic root of 140151540 is about 519.4366927604.

The spelling of 140151540 in words is "one hundred forty million, one hundred fifty-one thousand, five hundred forty".