151240140 has 36 divisors (see below), whose sum is σ = 458762304. Its totient is φ = 40330656.

The previous prime is 151240129. The next prime is 151240181. The reversal of 151240140 is 41042151.

151240140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 419932 + ... + 420291.

Almost surely, 2^151240140 is an apocalyptic number.

151240140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151240140 is an abundant number, since it is smaller than the sum of its proper divisors (307522164).

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

151240140 is a wasteful number, since it uses less digits than its factorization.

151240140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840238 (or 840233 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 151240140 is about 12297.9730037108. The cubic root of 151240140 is about 532.7895403487.

Adding to 151240140 its reverse (41042151), we get a palindrome (192282291).

The spelling of 151240140 in words is "one hundred fifty-one million, two hundred forty thousand, one hundred forty".