1512494140 has 24 divisors (see below), whose sum is σ = 3262083552. Its totient is φ = 588646080.

The previous prime is 1512494129. The next prime is 1512494149. The reversal of 1512494140 is 414942151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1512494149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021216 + ... + 1022695.

It is an arithmetic number, because the mean of its divisors is an integer number (135920148).

Almost surely, 2^1512494140 is an apocalyptic number.

1512494140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1512494140 is an abundant number, since it is smaller than the sum of its proper divisors (1749589412).

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

1512494140 is a wasteful number, since it uses less digits than its factorization.

1512494140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043957 (or 2043955 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1512494140 is about 38890.7976261737. The cubic root of 1512494140 is about 1147.8837298830.

The spelling of 1512494140 in words is "one billion, five hundred twelve million, four hundred ninety-four thousand, one hundred forty".