1915050140 has 24 divisors (see below), whose sum is σ = 4119694992. Its totient is φ = 747336320.

The previous prime is 1915050133. The next prime is 1915050157. The reversal of 1915050140 is 410505191.

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, 1166894 + ... + 1168533.

It is an arithmetic number, because the mean of its divisors is an integer number (171653958).

Almost surely, 2^1915050140 is an apocalyptic number.

1915050140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1915050140 is an abundant number, since it is smaller than the sum of its proper divisors (2204644852).

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

1915050140 is a wasteful number, since it uses less digits than its factorization.

1915050140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335477 (or 2335475 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 1915050140 is about 43761.2858586217. The cubic root of 1915050140 is about 1241.8240022438.

The spelling of 1915050140 in words is "one billion, nine hundred fifteen million, fifty thousand, one hundred forty".