1952134990 has 64 divisors (see below), whose sum is σ = 4019803200. Its totient is φ = 676177920.

The previous prime is 1952134979. The next prime is 1952135033. The reversal of 1952134990 is 994312591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 770025 + ... + 772555.

It is an arithmetic number, because the mean of its divisors is an integer number (62809425).

Almost surely, 2^1952134990 is an apocalyptic number.

1952134990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1952134990 is an abundant number, since it is smaller than the sum of its proper divisors (2067668210).

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

1952134990 is a wasteful number, since it uses less digits than its factorization.

1952134990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 1952134990 is about 44182.9717198832. The cubic root of 1952134990 is about 1249.7887621715.

The spelling of 1952134990 in words is "one billion, nine hundred fifty-two million, one hundred thirty-four thousand, nine hundred ninety".