151709540 has 24 divisors (see below), whose sum is σ = 319689720. Its totient is φ = 60474368.

The previous prime is 151709539. The next prime is 151709573. The reversal of 151709540 is 45907151.

It can be written as a sum of positive squares in 4 ways, for example, as 90744676 + 60964864 = 9526^2 + 7808^2 .

It is a junction number, because it is equal to n+sod(n) for n = 151709497 and 151709506.

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 7 ways as a sum of consecutive naturals, for example, 7085 + ... + 18804.

It is an arithmetic number, because the mean of its divisors is an integer number (13320405).

Almost surely, 2^151709540 is an apocalyptic number.

151709540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151709540 is an abundant number, since it is smaller than the sum of its proper divisors (167980180).

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

151709540 is a wasteful number, since it uses less digits than its factorization.

151709540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26191 (or 26189 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 151709540 is about 12317.0426645360. The cubic root of 151709540 is about 533.3401726553.

The spelling of 151709540 in words is "one hundred fifty-one million, seven hundred nine thousand, five hundred forty".