1532140 has 12 divisors (see below), whose sum is σ = 3217536. Its totient is φ = 612848.

The previous prime is 1532131. The next prime is 1532143. The reversal of 1532140 is 412351.

1532140 = T₉₆ + T₉₇ + ... + T₂₁₅.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1532143) 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 3 ways as a sum of consecutive naturals, for example, 38284 + ... + 38323.

It is an arithmetic number, because the mean of its divisors is an integer number (268128).

2^1532140 is an apocalyptic number.

1532140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1532140 is an abundant number, since it is smaller than the sum of its proper divisors (1685396).

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

1532140 is a wasteful number, since it uses less digits than its factorization.

1532140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76616 (or 76614 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1532140 is about 1237.7964291433. The cubic root of 1532140 is about 115.2832337971.

Adding to 1532140 its reverse (412351), we get a palindrome (1944491).

The spelling of 1532140 in words is "one million, five hundred thirty-two thousand, one hundred forty".