1540130250 has 32 divisors (see below), whose sum is σ = 3844166976. Its totient is φ = 410701200.

The previous prime is 1540130149. The next prime is 1540130281. The reversal of 1540130250 is 520310451.

1540130250 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026004 + ... + 1027503.

It is an arithmetic number, because the mean of its divisors is an integer number (120130218).

Almost surely, 2^1540130250 is an apocalyptic number.

1540130250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1540130250 is an abundant number, since it is smaller than the sum of its proper divisors (2304036726).

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

1540130250 is a wasteful number, since it uses less digits than its factorization.

1540130250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053527 (or 2053517 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1540130250 is about 39244.4932442757. The cubic root of 1540130250 is about 1154.8329062451.

The spelling of 1540130250 in words is "one billion, five hundred forty million, one hundred thirty thousand, two hundred fifty".