1402131532540 has 24 divisors (see below), whose sum is σ = 2958431090832. Its totient is φ = 558194542080.

The previous prime is 1402131532517. The next prime is 1402131532579. The reversal of 1402131532540 is 452351312041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166125109 + ... + 166133548.

It is an arithmetic number, because the mean of its divisors is an integer number (123267962118).

Almost surely, 2^{1402131532540} is an apocalyptic number.

1402131532540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402131532540 is an abundant number, since it is smaller than the sum of its proper divisors (1556299558292).

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

1402131532540 is a wasteful number, since it uses less digits than its factorization.

1402131532540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332258877 (or 332258875 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1402131532540 its reverse (452351312041), we get a palindrome (1854482844581).

The spelling of 1402131532540 in words is "one trillion, four hundred two billion, one hundred thirty-one million, five hundred thirty-two thousand, five hundred forty".